An invasive species, the spiny water flea, was recently found in a New York lake. These water fleas eat zooplankton, a food also consumed by native fishes. The fleas spread from lake to lake by attaching to fishing lines, anchor ropes, and boats. Which statement best describes the effect of the water flea on the lake?
The introduction of the spiny water flea into the lake is likely to have a negative effect on the balance of the native ecosystem, as the water fleas will compete with native fish for resources such as zooplankton, and may disrupt the existing food chain.
What is a Water flea?A water flea is an aquatic crustacean. Normally, it is a member of the order Cladocera, meaning it has a small body, two antennae, and a single shell (a carapace) over its back. Water fleas move by using the hair-like setae which are located on their legs. They are an important part of aquatic ecosystems as they are used as food by other aquatic organisms. They also help to clean up organic matter in water bodies, thus improving water quality.
What is a zooplankton?A zooplankton is a microscopic or tiny aquatic animal, usually found in oceans or freshwater bodies. They are usually very small in size and typically feed on phytoplankton. Zooplankton are key components of aquatic food webs and are a vital part of the aquatic environment. They are also important for carbon cycling, filtering pollutant particles from the water, providing food for fish and other aquatic organisms, and providing a food source for larger predators.
To know more about Phytoplankton, visit:
https://brainly.com/question/10279696
#SPJ1
how are elements in the group in the periodic table alike?
12. A postpartum woman came to clinic secking for a non-hormonal and long-acting contraceptive as she does not need more children. The nurse explained about the benefits and side effects of the contraceptive method requested and planned to provide the service for the woman What is the most appropriate time to provide this contraception after delivery? A. 45 days 48 hours C. Six months IX. Nine month
The most appropriate time to provide contraception after delivery is 45 days. Hence option (A) is the answer.
When should a woman start contraception after giving birth?In general, women with additional risk factors for venous thromboembolism should not take combined hormonal contraceptives for the first 21 days postpartum, and they should not use them for up to 42 days postpartum. However, after 42 days postpartum, they may be used without restriction.
If you intend to nurse your child, you should refrain from taking the majority of hormonal birth control methods for 4 to 6 weeks following your pregnancy. Because your milk production could be impacted by the hormones. They are often ready for use three weeks after delivery if you don't intend to breastfeed. To avoid unwanted pregnancies, however, effective contraception is necessary up until menopause.
To learn more about contraception, visit:
https://brainly.com/question/29952276
#SPJ1
What is DNAa nucleic acid molecule made of nucleotide monomersa protein molecule made of nucleic acid monomersa carbohydrate molecule made of nucleotide monomersa lipid molecule made of carbohydrate monomers
DNA is made up of monomers called nucleotides. The nucleotides combine to form a polynucleotide that result to the DNA. It is a nucleic acid responsible for the encoding of information needed by the cells to make a protein.
A city has set a goal of zero waste. The city wants to focus on recovering resources that are traditionally considered garbage and finding new uses for them. Which of the following would be consistent with the city's zero-waste goal?
A. Reducing the frequency of curbside recycling pickup
B. Providing residents with larger garbage cans
C. Shutting down the wastewater treatment plant
D. Providing artists with discarded materials for their artwork
Answer:
D. Providing artists with discarded materials for their artwork.
Explanation:
Please brainliest! And Hope this helped you! :D
I also answered first! :D
Answer:
D. Providing artists with discarded materials for their artwork would be consistent with the city's zero-waste goal.
Explanation:
A zero-waste goal aims to reduce the amount of waste sent to landfills, and one way to achieve this is by recovering resources that are traditionally considered garbage and finding new uses for them. Providing artists with discarded materials for their artwork promotes creative reuse and helps divert waste from landfills. Reducing the frequency of curbside recycling pickup and providing residents with larger garbage cans would not align with a zero-waste goal as they would likely increase the amount of waste sent to landfills. Shutting down the wastewater treatment plant would have negative environmental consequences and would not align with a zero-waste goal.
Which of the following fully describes an ecosystem?
A biotic environment and a population
Communities and their abiotic environment
A niche and a community
A population and a community
Answer:
the answer might be A as eco means environment
Answer:
Answer is A
Explanation:
Got it right on the Test.
Which model represents the Law of Conservation of Mass?
calcium binds troponin, which shifts tropomyosin to uncover the myosin-binding sites on actin. myosin heads bind actin
When calcium is present, the troponin complex on actin filaments moves, exposing myosin-binding sites in striated muscle. The power stroke that drives contraction is produced when ADP and Pi are released from myosin that has been bound by ADP and inorganic phosphate (Pi) and can then form cross-bridges with actin.
Which protein does calcium bind to troponin actin myosin tropomyosin?The calcium-regulation of muscle contraction is largely mediated by troponin: Striated muscles' actin-tropomyosin-troponin complex, which makes up the thin filaments, is the only structure that can bind calcium. Regardless of the calcium concentration, contraction is supported by thin filaments devoid of troponin.
To know more about striated muscle visit:
https://brainly.com/question/2934972
#SPJ4
There are four Goal Categories. What are the four categories in NSLS?
Answer:
Personal, Interpersonal, Academic/Professional, And Societal Goals.
Explanation:
Answer:
I assume that you are referring to the National Society of Leadership and Success (NSLS) in this question.
The NSLS has identified four goal categories that can help members focus their leadership development efforts. These categories are:
1. Vision and goal setting - This category involves the ability to create a clear and compelling vision for the future and to set goals that will help achieve that vision.
2. Communication - This category involves the ability to communicate effectively with others, including listening actively, speaking persuasively, and writing clearly and concisely.
3. Team building - This category involves the ability to work effectively with others, including building strong relationships, resolving conflicts, and delegating tasks.
4. Ethics and social responsibility - This category involves the ability to act with integrity and to make ethical decisions, as well as to recognize and address social issues in one's community.
Explanation:
Answer Please & Thanks ! ❤️
Answer:
soil
Explanation:
needs to gain more energy than the sand or dry land in order for its temperature to increase. On the other hand, soil loses its heat much faster. Additionally the oceans retain heat longer.
a researcher has 15 pure bred wild mice which were bron and all were females. they were all mated with a male called Bob.All the offspring were brown/ these were then crossed among themselves with the the following results 293 brown and 115 white. determine the color of bob
Answer:
1. Brown.
2. Brown colour is dominant.
3. 2.5 : 1
Explanation:
The colour of Bob is brown because the offspring produced from mating are also brown. The dominant colour in these mice are brown due to presence of this brown colour in all mice. We know that dominant traits always appear in the form and structure of an organisms and we see all mice have brown colour so we can say that the dominant colour is brown. The ratio of brown to white in the 'grandchildren' are 2.5 : 1 means more mice has brown colour as compared to white.
Will the trend toward an increased incidence of tusklessness in a population with heavy poaching lead to increased African elephant population sizes in the future?
No, the trend toward increased tusklessness in African elephants due to heavy poaching is not likely to lead to increased population sizes in the future.
While tuskless elephants may have a survival advantage in areas with high levels of poaching, this advantage is likely to be temporary. Over the long term, tusklessness may lead to reduced genetic diversity and reproductive success, as tusks play a role in mate selection and competition among males.
Additionally, tuskless elephants may be less able to defend themselves and their young against predators and may have a reduced ability to forage for food. Thus, while tusklessness may confer some immediate benefits in areas with high levels of poaching, it is not a viable long-term solution for elephant populations.
To learn more about elephants follow the link:
https://brainly.com/question/29104740
#SPJ1
why is dna replication like an assembly line?
a) it consists of many biochemical machines that functions specifically in order to drive a specific action like an assembly lime
b) it consists of many biochemical machines that have the same function in order to drive a specific action like an assembly line
c) it consists of many biochemical machines where each functions randomly in order to drive a specific action like an assembly line
d) it consists of many biochemical machines that functions in order to drive a nonspecific action like an assembly line
Answer:
Explanation:
it’s A
DNA replication is like an assembly line because it consists of many biochemical machines that functions specifically in order to drive a specific action like an assembly line. Thus, option A is correct.
What is DNA replication?
DNA replication is the process in biology in which two identical copies of DNA is formed from the single original DNA molecule. The process of DNA replication takes place in each living organisms and they act as most important part of biological inheritance.
DNA replication is of three types and these are conservative,dispersive, and semiconservative. The main function of these all types of DNA is to form daughter DNA including same proportion of mother DNA.
The main steps in the process of DNA replication is initiation, elongation, and termination and by assembling the new DNA segment the process of DNA replication ends.
Therefore,DNA replication is like an assembly line because it consists of many biochemical machines that functions specifically in order to drive a specific action like an assembly line. Thus, option A is correct.
Learn more about DNA replication here:
https://brainly.com/question/16464230
#SPJ2
Which medical conditions are associated with large amounts of fat and sugar in your diet? Select three options.
Answer:
gall bladder disease
hypertension
osteoarthritis
Answer:
diabetes
heart disease
obesity
Explanation:
Carolina uses a microscope to view a soil sample taken from her backyard. Which part of the soil
would she ONLY be able to see with a microscope?
A bacteria
B grass
C rainwater
D rocks
Answer: A) bacteria
Explanation: bacteria is too small to be seen without a microscope and the rest can be seen without a microscope making A) Bacteria the only correct answer
if your good at science look at picture I need help please
Answer: Direct, indirect, ethics + aesthetics
Explanation: Direct are goods, indirect are basically the environment, ethics and aesthetics are appreciating and respecting it
The words that fill in the blanks are;
1) Direct services
2) Indirect services
3) Ethical and aesthetic services
What are ecosystem services?The advantages that individuals get from ecosystems are referred to as ecosystem services. Provisioning services, regulating services, cultural services, and supporting services are the four broad categories into which these services fall.
The goods that ecosystems produce, such as food, water, and fiber, are referred to as provisioning services. For human existence and welfare, these services are necessary.
Learn more about ecosystem services:https://brainly.com/question/28207078
#SPJ1
What is your diagnosis
Answer:
I'm depressed a f
a least I look good
Where Hb refers to hemoglobin (the oxygen-carrying protein in blood), S refers to the sickle cell allele, and A refers to the normal blood allele, match the following genotypes with the correct result of having the associated phenotype in a region where malaria is prevalent.
HbSHbS
Dies due to sickle cell disease.
HbAHbS
Lives due to protection from both sickle cell and malaria.
HbA HbA
Dies due to malaria.
When the genotypes are matched with the correct phenotype in a region where malaria is prevalent, the answer is:
HbS/HbS: Dies due to sickle cell disease.
HbA/HbS: Lives due to protection from both sickle cell and malaria.
HbA/HbA: Dies due to malaria.
Sickle cell anemia is caused by a mutation in the HBB gene, which is located on chromosome 11. The mutation causes the body to create defective hemoglobin molecules that cause red blood cells to take on a sickle-like shape rather than a normal round shape.
This shape can cause the blood cells to become stuck in small blood vessels, causing pain, infection, and organ damage.
In areas where malaria is prevalent, the HbS allele provides some protection against the disease, while the HbA allele does not. When both HbS and HbA alleles are present, an individual is less likely to develop sickle cell disease and is better able to fight off malaria.
The genotypes HbS/HbS and HbA/HbA can cause death due to sickle cell disease and malaria, respectively.
The HbA/HbS genotype, on the other hand, confers protection against both sickle cell disease and malaria, resulting in a greater chance of survival in regions where malaria is prevalent.
For more such questions on malaria, click on:
https://brainly.com/question/14050646
#SPJ11
A parent cell has six chromosomes.
Which statement describes the daughter cell(s ) produced after this cell undergoes the cell cycle and mitotic cell division?
If a parent cell has six chromosomes, then the statement b. there will be two daughter cells with six chromosomes each describes the daughter cell(s ) produced after this cell undergoes the cell cycle and mitotic cell division.
What is the cell cycle and mitotic cell division?The cell cycle and mitotic cell division make reference to the life of a somatic cell that divides by mitosis generating two genetically identical cells.
Therefore, with this data, we can see that the mitotic cell division generates two daughter cells with the same genetic material.
Learn more about the mitotic cell division here:
https://brainly.com/question/17356405
#SPJ1
Create an animal using scientific knowledge about animals and adoption to create a new imaginary animal species but one sketch the animal park to describe it give it a creative name right that habitat and write the type of animal describe the adaptions on the following basis it’s food habit, breathing organs, defence mechanism for protection
Note: the subject is actually science not biology
The Lumifin's unique blend of bioluminescence, feeding adaptations, and defense mechanisms make it a captivating and enigmatic species within the Prismarium.
Introducing the Lumifin, a fascinating imaginary animal species residing in the radiant habitats of the Prismarium.
The Lumifin belongs to the phylum Luminaris and is a bioluminescent creature known for its captivating display of colors and unique adaptations.
Habitat: The Prismarium is a vibrant, crystal-filled animal park, where the Lumifin thrives.
It is a diverse environment, with prismatic rock formations, translucent flora, and shimmering water bodies that refract sunlight, creating a dazzling spectacle of light and color.
Type of Animal: The Lumifin is an arboreal omnivore, meaning it spends most of its life in the treetops and consumes both plant matter and small invertebrates.
Adaptations:
Food Habit: The Lumifin has a long, flexible tongue that can extend to remarkable lengths, allowing it to extract nectar from delicate flowers and capture elusive insects.
Its diet includes the sweet nectar of luminescent blossoms, which sustains its bioluminescent abilities.
Breathing Organs: To support its arboreal lifestyle, the Lumifin possesses highly efficient lungs with increased surface area.
These lungs enable it to extract oxygen more effectively from the air, ensuring a steady supply of oxygen during its acrobatic tree-dwelling activities.
Defense Mechanism: For protection, the Lumifin employs a combination of adaptations.
Firstly, it has the ability to change the intensity and color of its bioluminescence, allowing it to create dazzling displays to startle or confuse predators.
Secondly, it possesses a glandular system that produces a sticky bioluminescent mucus, which it can secrete as a defensive shield to discourage predators from approaching.
Its presence adds to the ethereal beauty and allure of the animal park, captivating visitors with its mesmerizing displays of light and color.
For similar questions on bioluminescence
https://brainly.com/question/15622707
#SPJ8
The Lumifin's unique blend of bioluminescence, feeding adaptations, and defense mechanisms make it a captivating and enigmatic species within the Prismarium.
Introducing the Lumifin, a fascinating imaginary animal species residing in the radiant habitats of the Prismarium.
The Lumifin belongs to the phylum Luminaris and is a bioluminescent creature known for its captivating display of colors and unique adaptations.
Habitat: The Prismarium is a vibrant, crystal-filled animal park, where the Lumifin thrives.
It is a diverse environment, with prismatic rock formations, translucent flora, and shimmering water bodies that refract sunlight, creating a dazzling spectacle of light and color.
Type of Animal: The Lumifin is an arboreal omnivore, meaning it spends most of its life in the treetops and consumes both plant matter and small invertebrates.
Adaptations:
Food Habit: The Lumifin has a long, flexible tongue that can extend to remarkable lengths, allowing it to extract nectar from delicate flowers and capture elusive insects.
Its diet includes the sweet nectar of luminescent blossoms, which sustains its bioluminescent abilities.
Breathing Organs: To support its arboreal lifestyle, the Lumifin possesses highly efficient lungs with increased surface area.
These lungs enable it to extract oxygen more effectively from the air, ensuring a steady supply of oxygen during its acrobatic tree-dwelling activities.
Defense Mechanism: For protection, the Lumifin employs a combination of adaptations.
Firstly, it has the ability to change the intensity and color of its bioluminescence, allowing it to create dazzling displays to startle or confuse predators.
Secondly, it possesses a glandular system that produces a sticky bioluminescent mucus, which it can secrete as a defensive shield to discourage predators from approaching.
Its presence adds to the ethereal beauty and allure of the animal park, captivating visitors with its mesmerizing displays of light and color.
For similar questions on bioluminescence
brainly.com/question/15622707
#SPJ8
Plants have specialized structures that help ensure reproduction. Which statement is an example of these structures?
A. An oak tree has thick bark.
B. A banana plant has green leaves.
C. Dandelion seeds blow in the wind.
D. Carrots grow underneath the soil.
The statement that best exemplifies specialized structures in plants is C: "Dandelion seeds blow in the wind."
This statement refers to the specialized structure of dandelion seeds, which have a feathery structure called a pappus that aids in dispersal through wind. Plants have evolved various specialized structures to ensure their reproduction and dispersal. In the case of dandelion seeds, their feathery pappus allows them to catch the wind and be carried away from the parent plant to new locations where they can germinate and grow.
This adaptation increases the chances of their survival and colonization in different areas. Specialized structures in plants can also include adaptations like bright flowers and sweet nectar to attract pollinators, thorns or spines for defense against herbivores, and underground storage organs like tubers or bulbs for nutrient storage and propagation.
These structures play crucial roles in the reproductive success and survival of plants in their respective environments, allowing them to disperse their offspring, attract pollinators, defend against threats, and establish themselves in diverse habitats. Therefore, Option C is correct.
Know more about specialized structures here:
https://brainly.com/question/18526471
#SPJ8
The most erosive agent of erosion on Earth is
•running water
•wind
•glaciers
•human beings
The most common Class II variant is the F508del variant, which is missing the 508th amino acid in the protein but has an otherwise normal sequence. Loss of this amino acid leads to misfolding of the protein, and the misfolded protein is not properly transported to the membrane. Based on this information, how many nucleotides are deleted in the CFTR allele encoding this variant?
Answer:
The correct answer is - 3 (two codons of 507th that are U, C, and the first nucleotide of 508th codon U).
Explanation:
Each amino acid is coded by a three-nucleotide base long codon. So in the case of the F508del variant, there is a deletion of three nucleotides that is encoded for phenylalanine amino acid.
In this isoleucine is encoded by 507th codon that is AUG and 508th codon is UUU codes for Isoleucine.
In this case, two codons of 507th are U, C, and the first nucleotide of 508th codon U. So overall three nucleotides are deleted in the F508del variant..
Describe the mechanism of glycolysis in detail
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
To learn more about glycolysis
https://brainly.com/question/26990754
Which of the following is the process of detecting environmental stimuli and converting them into signals that can be detected by the nervous system?
(A) perception
(B) sensation
(C) top down processing
(D) difference threshold
(E) false alarm
Process of detecting environmental stimuli and then converting them into signals that can be detected by nervous system is called: B) sensation.
What is meant by sensation?Sensation is the process by which we receive information from the environment and our senses respond to a limited range of environmental stimuli. We cannot hear sound of frequencies above 20,000 Hz but dogs can hear them.
Stimuli means an event that causes a functional reaction in a tissue or organ and is the detectable change in the structure of an organism.
Reception is the first step in sensation. Reception is the activation of sensory receptors by stimuli such as mechanical stimuli, chemicals, or temperature.
To know more about sensation, refer
https://brainly.com/question/25753221
#SPJ4
Why do you need control samples with the known normal, carrier, and sickle cell
alleles to complete the analysis?
Answer:
Explanation: All experiments must have an controlled group to show the differences
what process is used by the cell to move the molecules from outside the cell to inside the cell
Answer:
Diffusion
Explanation:
Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Small cells have a high surface-
area-to-volume ratio. New cells
are smaller than old cells. What
can we say about the surface-area-
Small surface Large surface to-volume ratio of new cells?
area to volume area to volume
ratio
ratio
The surface-area-to-volume ratio of new cells is larger
than that of old cells.
We need more information to make a statement about
the surface-area-to-volume ratio of new cells.
Answer:
surface area of a rectangular
Explanation:
so much fun last night and I was very good app
3. What is the probability of a type BO mother and a type AO father having a type O child?
Answer:
B: 75% ////// O: 25%
Explanation:
So each child has a 75% of being B and a 25% chance of being O. Note that genetically, not all of the B blood type kids are the same. The BB child will only pass down the B version of the gene. The BO child can pass on their O gene version.
Which two environmental changes would be likely to make an ecosystem less
stable?
A. A wildfire rages through a large portion of a forest.
B. A relatively wet summer leads to a larger plant population in a
desert.
C. A volcanic eruption wipes out organisms on an island.
D. A dry spring results in fewer seeds and seedlings on a prairie.
(Option A) A wildfire rages through a large portion of a forest would be likely to make an ecosystem less stable.
what is an environmental?The term "natural environment" or "natural world" refers to all naturally occurring, that is, unmanmade, living and non-living phenomena. The phrase is most frequently used to refer to the Earth or specific regions of the Earth.
what is an environmental changes?Environmental change is the alteration or disturbance of the natural environment, most frequently brought on by human activities and ecological processes. Various variables, such as natural disasters, human meddling, or animal contact, might cause changes in the environment.
learn more about environmental here
brainly.com/question/17413226
#SPJ1