Which of the following is not an intentional way of introducing nonnative species into an ecosystem?
a.
Restocking an overfished lake
b.
Introducing species of high value for harvesting
c.
Farming of species that are economically important
d.
Release of some species from an aquarium
e.
Recreational boating
Answers
Answer:e
Explanation:duh
Answer:
E) recreational boating
Explanation:
The only one that would be unintentional
Related Questions
Observation
Use your senses to make an observation about your environment.
Questions
Create a hypothesis that can be tested in an experiment.
Remember, a hypothesis has a specific "if then" wording.It describes what will happen to the dependent variable when changes are made to the independent variable.For example, "If a plant is fertilized (independent variable), then it will grow faster (dependent variable)."
Design and plan an experiment.
Be sure to identify an independent variable, a dependent variable, and any controls.Remember, controls are factors which stay the same.In an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant.Write a complete description of your experiment.Include a list of necessary materials.It is a good idea to follow a step-by-step procedure format.Think of everything you need to do, then write it down in the order it must be completed.Your description and procedure should be clear enough that another person could duplicate your experiment exactly.
Answers
Answer: E
Explanation:
Experiment Design:
Independent Variable: Intensity of light (Low, Medium, High)
Dependent Variable: Rate of photosynthesis (measured by oxygen production or CO2 consumption)
Control: Same kind of plant, constant temperature, constant CO2 concentration, constant water availability, and constant duration of light exposure.
Materials:
Three identical potted plants (of the same species)
Light source(s) with adjustable intensity
Light meter (lux meter) to measure light intensity
CO2 gas sensor or oxygen gas sensor
Timer or stopwatch
Water supply
Thermometer
Data recording sheets
Procedure:
Set up the three identical potted plants in a controlled environment with the same temperature and CO2 concentration.
Ensure that all plants receive the same amount of water.
Place the light source(s) at an equal distance from the plants.
Measure and record the initial light intensity using the lux meter.
Adjust the light intensity to low for the first plant, medium for the second plant, and high for the third plant.
Start the timer and expose the plants to light for a specified duration (e.g., 1 hour).
During the exposure period, measure and record the temperature, CO2 concentration (if possible), and light intensity at regular intervals.
After the exposure period, use the CO2 gas sensor or oxygen gas sensor to measure the change in CO2 concentration or oxygen production, respectively, in the surrounding air.
Record the data obtained from the sensors and calculate the rate of photosynthesis for each plant.
Repeat the experiment multiple times to ensure reliability and average the results.
Analyze the data collected and compare the rates of photosynthesis among the three different light intensities.
Draw conclusions based on the analysis and determine whether the hypothesis is supported or rejected.
By following this experimental design, you can test the hypothesis and determine the effect of light intensity on the rate of photosynthesis in plants. Remember to conduct the experiment in a controlled environment and gather sufficient data for accurate analysis.
What is the correct sequence for the movement of blood through the heart and body? (Step 1 is labeled for you.)
Oxygenated blood travels from the lungs to the left atrium.
Deoxygenated blood travels from the body into the right atrium.
1. Blood picks up oxygen from the lungs, exchanging it for carbon dioxide.
Oxygenated blood is pumped from the left ventricle out to the body.
Deoxygenated blood is pumped from the right atrium into the right ventricle.
Oxygenated blood is pumped from the left atrium into the left ventricle.
Deoxygenated blood is pumped from the right ventricle to the lungs.
Cells take in oxygen from the blood, exchanging it for carbon dioxide.
Answers
The correct sequence of blood has been written below.
What is the sequence of bloodBlood picks up oxygen from the lungs, exchanging it for carbon dioxide.
Oxygenated blood is pumped from the left atrium into the left ventricle.
Oxygenated blood is pumped from the left ventricle out to the body.
Cells take in oxygen from the blood, exchanging it for carbon dioxide.
Deoxygenated blood travels from the body into the right atrium.
Deoxygenated blood is pumped from the right atrium into the right ventricle.
Deoxygenated blood is pumped from the right ventricle to the lungs to pick up oxygen and release carbon dioxide.
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Please help me locate the answers!! I’ve failed twice, this is my last chance.
Answers
Here's an example:
Hope this helps!
4. What are the starting materials and products of photosynthesis and cellular respiration?
Answers
Cellular respiration= oxygen and sugar goes in and water and carbon dioxide comes out
A student wants to find out if the amount of bleach has an effect on stain removal.
He plans to use two white shirts, stain each of them with mustard, and then wash each of them using bleach. He can change the size of the stain on the shirt and the amount of bleach he adds to the water.
Which test should the student set up?
Answers
Answer:
The second option.
Explanation:
We're trying to test the amount of bleach that has an effect on the stain so that is the altered variable.
The 2nd option uses different amounts of bleach to clean the same amount of stain.
If you choose the other options, people can argue that the bigger stain would be harder to clean with one cup of bleach, whereas the small stain gets two cups or the other way around.
It's not an effective way to see if the amount of bleach has an effect on stain removal.
Eye color is determined by two alleles B and b. B is for dominant for brown eyes and b is recessive for blue eyes. What is the possible genotype of a person with brown eyes? (more than one possible answer)
a. Bb
b. BB
c. bb
Pls be serious when answering this question.
Answers
Answer:
A and B
Explanation:
Because B Brown is dominant It will show up in a Bb instead of b Blue. Brown is dominant over blue.
If ther genotype is BB then Brown is the only color that will show.
So A and B will be the answer.
Various gene variations affect a person's eye color. Most of the genes related to eye color make, transport, or store melanin, a pigment. Eye color is directly influenced by the amount of melanin present in the iris's outermost layers. Thus, option A, B is correct.
What effect of genotype on eyes color?Even while eye color is frequently thought of as a simple Mendelian feature, additional research.
Eye color does not follow the conventional hierarchical patterns of heredity, according to observation. Variations in eye color exhibit both epistasis and partial dominance.
Due to B Brown's dominance, it will manifest as a Bb rather than b Blue. Brown is dominant over blue.
Therefore, If their genotype is BB, then Brown is the only color that will show.
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Can someone help me please?
Answers
Electrical impulses were used to make a muscle move. Besides the muscular system, what other system was affected by that electrical impulse? Explain the interaction between those systems.
Answers
Answer: The nervous system has neurons that send electrical messages in the form of nerve impulses.
Explanation: The nervous system.
In the interaction between those systems are nervous system has neurons that send electrical messages in the form of nerve impulses.
How does the nervous system affect the other organ systems of animals?The nervous system lets the animals convey with the outside environment, as well as with their own body. From the outside, animals convey information via the sense organs (eyes, taste buttons, olfactory epithelium).
Thus, the nervous system has neurons that send electrical messages in the form of nerve impulses.
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Which of the following parts of ruminant stomach is called the honeycomb? And why?
A. Rumen
B. Reticulum
C. Abomasum
D. Omasum
Answers
Answer:
Hello
I think Reticulum is right.
Explanation:
Which is an example of a trace fossil?
A: animal burrow
B: skin of organism
C: preserved bone
D: petrified wood
Answers
Answer:
A: Animal burrow
Explanation:
Edge 2021
Trace fossils can be defined as the ones that provide geological records of the behavior and activities of past life.
These are also known as Ichnofossils.Trace fossils include borings, track and trails, burrowings, and coprolites and gastrolithes.Among the given examples, the evidence of past life is provided by the burrows of animals.Hence, among the given examples, trace evidence is an animal burrow. Therefore, the correct answer is option a.
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How do auxins cause plants to bend?
A) Auxins make plant cells grow larger towards the light causing it to bend.
B) Auxins make plant cells grow heavier causing it to tip on one side.
C) Auxins cause plants to grow wider.
D) Auxins cause plant cells to shrink on one side making it less heavy, which tips the plant on the other side.
Answers
Answer:A) Auxins make plant cells grow larger towards the light causing it to bend.
Answer:
A.
Auxins make plant cells grow larger towards the light causing it to bend.
Explanation:
The auxins go more in the shady side, and that is why there are more auxins in the shady side, but in the illuminated side, there are less auxins. That will cause a bend in the growth of the plant towards the light source because the shady side has more auxins to make it grow. This is the reason why when there are auxins in a plant, they start to grow towards light.
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which processes contributes to the formation of chemical sedimentary rocks
Answers
Explanation: The chemical sedimentary rocks form when the parent material weathers into a sediment. The sediment includes chemical inorganic minerals and partially or completely degraded organic matter that comes from the remains of plants and animals. The layers of sediments get compacted with overlying heat and pressure which leads to the formation of chemical sedimentary rocks.
What are the scientific goals for the Mars Science Laboratory?
1.what kinds of technology to use for landing, what kind of instruments to use on the rover, how to power the rover, and how to control the Mars Science Laboratory
2.correcting the packaging of the MSL mission components that has been the essential technology of all space missions
3.what kinds of technology to use for landing, what kind of instruments to use on the rover, how to power the rover and how to control the Mars Science Laboratory
completing the technology design process and constructing an MSL prototype that would successfully land on Mars
4.to determine if Mars could have ever supported life, study the climate and geology, gain knowledge for a future manned mission to Mars
HELP ME PLEASE HELP MEEEE
Answers
Answer:
The overall objectives include investigating Mars' habitability, studying its climate and geology, and collecting data for a human mission to Mars.
Write a hypothesis about the addition of compost (nutrients) to the soil and ecological succession using this format: “If . . . then . . . because . . .” Be sure to answer the lab question, “How does the presence of additional nutrients affect the process of succession?”
Answers
If we add special nutrients to the soil of a forest, then we would see that the nutrients helps the variety of plant species to grow faster, because nutrients is always beneficial to any plant community.
explain the role of genes and chromosomes in the process of inheriting a specific trait.
Answers
Role of Chromosomes & Genes in Heredity Heredity plays a key role in the development of traits and is transmitted through genes. The traits we inherit shape our behavior, are determined by pairs of genes, one from each parent.
Each gene occupies a specific position on a chromosome. Because genes provide instructions for making proteins, and proteins determine the structure and function of each cell in the body, it follows that genes are responsible for all the characteristics you inherit
Can someone help me with this.
Answers
Answer:
water scarcity is harming harming animals and human life near wetlands , increasing the risk of calamities, more than half of wetlsnds have disappeared.
Increasing water scarcity means that people with already low water availability have to spend more time and effort to fetch water
Explanation:
decreasing water levels lead to droughts and lack of food thus loss of human and animal life and increased risk of calamities due to imbalance in ecosystem
Lines 281-284: Identify the similie in these lines. How does this vivid (and somewhat gruesom) description give the reader insight into Me. Bass emotions in this scene.
Answers
Answer:
The simile is vivid.
Explanation:
Question 4 (1 point)
Solar panels that heat water use the Sun's radiant energy to reduce the need for non-renewable energy sources.
-O True
O False
Answers
Answer:
The Correct answer is TRUE
Select the sentence that suggests that scientists still have NOT perfectly copied spider’s silk.
A: Spiders evolved this process over hundreds of millions of years, Shah said.
B: The latter two parts are held together by molecules called cucurbiturils that serve as ‘handcuffs.’
C: The fibers are extremely strong- though not quite as strong as the strongest spider silks.
D: This means that if they can be produced at scale, they have an advantage over other synthetic fibers, such as nylon.
Answers
a weather forecast for a certain day in an area shows two measurement 18 degrees 25 degrees what do these measurement indicat
Answers
B. The change in air temperature as you go higher
C. The low and high air pressures
D. The low and high air temperature
These measurements indicate high temperature and low pressure in that area.
What is the weather forecast?Utilizing science and technology to forecast the atmospheric conditions at a certain area and time is known as weather forecasting. Weather forecasting has been done sporadically for millennia and formally since the 19th century.
Meteorology is used to predict how the atmosphere will change at a certain location while quantitative data about the state of the atmosphere, land, and ocean are gathered to provide weather forecasts. Weather forecasts can be used for a huge range of purposes. Weather warnings are crucial forecasts because they serve to safeguard property and human life.
When temperature increases, pressure decreases. Hence, The measurement shows high temperature and low pressure.
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What is the minimum number of cardio exercises you should perform?A. 15 minutes, 2 days per week.B. 30 minutes, 3 days per week.C. 45 minutes, 5 days per week D. 60 minutes, 6 days per week
Answers
Answer:
answer: b
Explanation:
A natural disaster caused a population of 4,695 organisms to migrate to a new habitat. A few generations after the disaster, it was observed that the new habitat did not support the survival of the species. The table shows the population of the species in the two habitats.
Answers
Answer:
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1.What are three types of seismic waves?
Answers
Answer:
p waves and s waves
Answer:
There are three basic types of seismic waves – P-waves, S-waves and surface waves. P-waves and S-waves are sometimes collectively called body waves.
Explanation:
use google lol
Help me plz plz plz help
Answers
"Gametes are haploid cells." What does this sentence mean?
Answers
The sentence “gametes are haploid cells” means that gametes/sex cells have a single set of unpaired chromosomes
“Gametes are haploid cells.” This sentence means that gametes contain half the total number of chromosomes that are present in the other cells of the organism.
What are gametes?Gametes are the reproductive cells of an organism that are involved in sexual reproduction. They are specialized cells that are produced with the process of meiosis.
In animals, the male gamete is called sperm while the female gamete is called ovum or egg. Sperm is typically a smaller and motile gamete which fertilizes the egg to form a diploid zygote (2n) by the process called fertilization.
Gametes are important for sexual reproduction and the maintenance of genetic diversity in populations. They are also the key to the process of evolution, which can lead to genetic variations that can be passed on to the future generations.
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anouther chance to get brainliest
Answers
Answer:
W
Explanation:
Gravitational force is calculated by (m₁ * m₂)/d² where d is the distance, m₁ is the mass of one object and m₂ is the mass of another. Let's set m₁ to the mass of the star. Since the gravitational force we are trying to calculate is between the star and each object, the number amount of the star's mass is not required. Additionally, all objects are the same distance from the star, so distance measurements do not matter. All we have to do is compare the masses. By using the equation, logically, greater masses should yield a larger gravitational force. Thus, since W has the greatest mass, it must have the strongest gravitational force of attraction with the star.
Answer:
C) W
Explanation:
(m1 * m2)/d2, where d is the distance, m1 is the mass of one item, and m2 is the mass of another, is the formula for gravitational force. Let's put m1 equal to the star's mass. The mass of the star is not necessary since the gravitational force we are attempting to compute is between each item and the star. Distance measurements are also irrelevant because all objects are at the same distance from the star. To compare the masses is all that is necessary. Using the equation, more masses should theoretically result in a stronger gravitational pull. W must thus have the biggest gravitational pull on the star since it has the most mass.
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sessment Week of
A couple is due to have a baby soon and they're curious if one of the unique
traits they have will be passed on to their darling baby. The mother has
picturesque dimples like her mother and is curious if her child will too. The
father has no dimples, and none of his family has dimples either.
mples because she...
1. Create a model that shows the likelihood of a mother with dimples
(genotype: Ee) and a father without dimples (genotype: ee) passing on
the trait, dimples, to offspring.
E
e
Punnett
Square
е
Ee
Ee
Mr.
12:3
e
Ee
ee
Format: hig
K
Answers
Scientists think modern green algae and plants are descended from ancient green algae that lived in the oceans. What are similarities between modern green algae and plants? (Select the 4 that apply.)
Answers
Answer:
Explanation:
They both contain similar chlorophyll(a and b)
They both have a 2-part life cycle
they both have the same cell walls
They both store energy as starch
What are the hair-like projections found in the small intestines (digestive system) that help absorb nutrients?
Answers
Villi help to increase the surface area to maximize digestion and absorption of nutrients from food
Answer:
villi
Explanation:
A geyser shoots water and steam out of the ground. The hottest geysers heat steam to temperatures of 200°C or higher.
Volcanoes, geysers, and hot springs all provide clues about Earth's interior. They also show one of the ways that Earth's layers interact with each other.
1. What do you predict Earth's interior is like? How do its rocks compare to rocks on the surface? Cite evidence that supports your prediction.
Answers
The rocks are comparable to the surface because they are almost certainly metamorphic rock, which is supported by the fact that magma will melt and combine various types of rocks.
What geysers, hot springs, provide clues to Earth's interior?Hot springs and geysers are likewise created by heated underground water; hot springs are more frequent than fumaroles, while geysers are less frequent.
Geysers are created by a surface hole in the Earth's crust that stretches far below the surface. Water is put within the tube. Magma, which is molten rock towards the tube's bottom, heats the water there. Water in the lower portion of the tube near the magma gets extremely hot.
Therefore, Due to their sophisticated plumbing systems, geysers can be recognized from both hot springs and fumaroles, whereas a hot spring and a fumarole differ only in their level of warmth.
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