Ecosystem is the name given to the lowest level of structure that includes both biotic and abiotic elements. B is the right answer, thus.
The ecosystem is typically thought of as the lowest level of structure that includes nonliving (abiotic) elements. That would imply that abiotic influences are present in ecosystems, biomes, and the biosphere.
An ecosystem is a region where a bubble of life is created by plants, animals, and other species interacting with the weather, environment, and other factors. In ecosystems, biotic and abiotic factors—or nonliving components—coexist. Biotic factors include plants, animals, and other species.
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TRUE / FALSE. favors phenotypes at both ends of a range over intermediate phenotypes. this type of selection may occur when the habitat is varied.
The statement "Favors phenotypes at both ends of a range over intermediate phenotypes. This type of selection may occur when the habitat is varied" is true.
The described type of selection is known as disruptive selection or diversifying selection. In this form of natural selection, the extreme phenotypes at both ends of a range are favored over intermediate phenotypes. This means that individuals with traits at the extremes of a phenotypic spectrum have a higher likelihood of reproductive success compared to those with intermediate traits.
Disruptive selection is often observed in environments where the habitat is varied or exhibits diverse conditions. In such habitats, different phenotypes may be advantageous in different circumstances, allowing them to excel under specific environmental conditions.
Therefore, the statement is true.
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What is TRUE about memory?
OA.
Experts think most of our memories eventually disappear.
OB.
Recollections of an event are not influenced by emotions.
oc.
Brain neurons fire more slowly when something is exciting.
OD. Encoding is an important step in creating new memories
Answer:encoding is an important step in creating new memories
Explanation: I believe all the others answers are false
Which of these processes in the water cycle causes dew to form in the morning?
Condensation
Transpiration
Evaporation
Precipitation
the answer condensation because condensation can form dew.
22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
you may have read in world weekly news of an animal alleged to be the hybrid of a rabbit and a cat. given that the cat (felis domesticus) has a diploid chromosome number of 38 and a rabbit (oryctolagus cuniculus) has a diploid chromosome number of 44, what would be the expected chromosome number in the somatic tissues of this alleged hybrid?
41 would be the expected chromosome number in the somatic tissues of this alleged hybrid.
A chromosome is a lengthy DNA molecule that contains some or all of an organism's genetic material. The extremely long thin DNA strands in most chromosomes are wrapped by packing proteins; the most essential of these proteins in eukaryotic cells are the histones. These proteins, with the help of chaperone proteins, bind to and compress the DNA molecule in order to keep it intact. These chromosomes have a complicated three-dimensional structure that is important in transcriptional control.
Only during the metaphase of cell division are chromosomes visible under a light microscope (where all chromosomes are aligned in the center of the cell in their condensed form).
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Which of the following is true about victory gardens?
A) They originated during World Wars I and II.
B) They were gardens planted by civilians at their homes.
C) They were meant to decrease pressure on the food supply.
D) They gave civilians a sense that they were helping the war effort.
E) All of the above
Answer:
E
Explanation:
Because all of those would be true if talking about victory gardens. Have an AWESOME day. :)))
Answer:
E) All of the above
Most of the regulated medical waste in the United States is incinerated. These incinerators are a health hazard because they release pollutants like lead into the air. How could technology be best used to solve this problem?
Answer:
volcanic waste dump and plastic eating bactirium to clean alot of things
also a purge to remove the overpopulation problem thus reducing the production and polution up to 10 to 50 % all over the world
Explanation:
Wind
Solar
Geothermal
Hydroelectric
Tidal
Biomass
Hydrogen Fuel
Cells
The provided list consists of various sources of renewable energy. Each of these sources has the potential to contribute to sustainable and clean energy production.
Wind power is a renewable energy source that harnesses the kinetic energy of wind to generate electricity. Wind turbines convert the energy from the wind into mechanical power, which is then used to drive generators and produce electricity. The rotating blades of the wind turbine capture the wind's energy and transfer it to the generator.
This clean and sustainable form of energy generation has several benefits, including reducing greenhouse gas emissions and dependence on fossil fuels. Wind power is abundant and widely available, making it an attractive option for countries looking to diversify their energy mix and transition to more environmentally friendly sources of electricity.
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Match each field of study with its main focus.
Anthropology
?
Hydrology
?
Meteorology
?
Geophysics
?
Human culture
Water
Inside of Earth
Climate
Which of the following processes produces the most ATP? a aerobic respiration b glycolysis c alcoholic fermentation d lactic acid fermentation
Answer:
b) glycolysis
Explanation:
Up to 36 ATP can be produced from one glucose molecule through aerobic reactions. Therefore, option (A) is correct.
What is aerobic respiration?Aerobic respiration supplies energy to fuel all cellular functions. The reactions result in the production of ATP, which can then be put to use to power other life-sustaining processes, such as growth, repair, and maintenance.
The release of energy that was stored in carbohydrates and lipids during photosynthesis and the subsequent availability of that energy to living organisms is the purpose of the series of enzyme-controlled events known as aerobic respiration.
Glycolysis, the Krebs cycle and respiratory electron transport contribute to the production of 36 ATP for every molecule of glucose that is used up during aerobic cell respiration.
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lol i need help with 13.1 Evolution of Populations asap please!! thank you!
which type of gene mutation occurs when a base is added?
A duplication consists of a piece of DNA that is abnormally copied one or more times. This type of mutation may alter the function of the resulting protein. Frameshift mutation: This type of mutation occurs when the addition or loss of DNA bases changes a gene's reading frame.
What does a collar cell look like? What is its function?
Answer: The function of this cell is to take food to other cells
Explanation:
The collar cells have a sticky, funnel shaped collar and a hairlike whip, called a flagellum. The collar cells serve two purposes. First, they beat their flagella back and forth to force water through the sponge. ... Another type of cell, called an amebocyte, takes the food to other cells within the sponge.
what part of the nucleotide determines your genetic code?
The sequence of nitrogenous bases of the DNA determines your genetic code.
The genetic code, or the sequence of nucleotides in a DNA molecule, is determined by the sequence of nucleotides that make up the DNA. The genetic code is stored in the sequence of nucleotides, specifically in the sequence of nitrogenous bases of the DNA.
The nitrogenous bases, which are adenine (A), thymine (T), guanine (G) and cytosine (C) in DNA, form base pairs (A-T and C-G) that hold the two strands of the DNA double helix together. The order of these base pairs along the DNA molecule determines the genetic code.
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(03.01 LC)
Which of the following best describes the particles in an atom?
O Protons carry negative charge
O Neutrons carry positive charge
O Neutrons move around a nucleus
Electrons move around a nucleus
Answer:
Electrons move around a nucleus
Explanation:
My dog says so so give me the fiv star
Did John Dalton use an observational study, a controlled experiment, or a mathematical model?
Answer:
we need a picture! if you provide one, then i can help in comments
Explanation:
When you want to move a part of your body, your brain sends a signal to
the muscles....
The muscles Contract and relax randomly
Contract and pull on bones directly
Contract and pull on tendons, which pull on the bones
Answer:
Contract and pull on tendons, which pull on bones
Explanation:
Muscles don't attach directly to bones. The tendons throughout our body serve as a connective tissue, connecting the two. Skeletal muscles, which seem to be attached to bones, are still only held there with the help of muscles.
What body systems are primarily affected and what physiological changes would you expect joe and frank to experience during such vigorous exercise?
Cardiovascular system, respiratory system, circulatory system and muscular systems are the body systems which are primarily affected during vigorous exercise.
During rigorous exercises, a number of body systems get affected. The cardiovascular system is affected as the heart starts working at its maximum level and the blood is pumped faster using circulatory system.
This in turn affects the muscular system and the muscles of the body would work hard and eventually become fatigued. The respiratory system gets affected as we also get out of breath. This overwork by our body systems can leave us feeling dizzy as well as fatigued.
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Is It possible for two parents with a round jaw to have a child with a square jaw? Why or Why not
Yeah it's possible. Even though both parents have round jaws... that may be the result of a dominant trait overpowering the recessive trait. As long as both parents have the recessive gene (in other words they're heterozygous traits) then there is a possibility for a child to be born with a square jaw.
(50 POINTS ) Which of the following can be used to explain why water is able to dissolve many substances?
A. Water has strong cohesive properties.
B. Water has high heat capacity.
C. Water is a polar molecule.
D. Water has a neutral pH.
Answer:D. Water has a neutral pH.
Explanation:
I WILL GIVE 50 BRAINLY POINTS AND BRAINLIEST TO BEST ANSWER!!!
Choose a scientist to research and write about from this list:
John Dalton J. J. Thomson
Marie Curie Ernest
Rutherford Henry Moseley
Niels Bohr Werner
Heisenberg Erwin Schrödinger
James Chadwick
Which scientist will you write about? Explain why you made that choice.
pt 2
When writing a scientific paper, look for the most credible sources. Science doesn’t show bias, but we humans tend to show bias. There are sites and articles that provide facts without proper scientific evidence. Avoid using information from such sites. You must be able to identify reliable sites so the data in your paper is credible.
Use sources that end in .gov (government sites), such as OSTI.gov. They are reliable sources. You can also use sites ending in .edu. They can be deemed trustworthy, but som
Answer:
I'm going to write about John Dalton because it seems interesting that he observed that water evaporates and becomes a gas that mixes with air.
Explanation:
hope this helps :)
New heritable characteristics can result from
I. the recombination of genes during meiosis.
II. the formation of daughter cells during mitosis.
III. mutations in the genes found in sex cells.
IV. mutations in the genes found in non-sex cells.
A.
I, II, III, and IV
B.
I and III only
C.
II and IV only
D.
I, II, and III only
New heritable characteristics can result from the recombination of genes during meiosis, mutations in the genes found in sex cells. The correct answer is B.
New heritable characteristics can result from the recombination of genes during meiosis when gametes are formed, and mutations in the genes found in sex cells that can be passed to offspring. The formation of daughter cells during mitosis produces identical copies of the parent cell, so no new heritable characteristics arise from this process.
Mutations in genes found in non-sex cells can result in changes to an individual's phenotype, but these changes are not heritable since they do not occur in the sex cells. The correct answer is B.
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Describe the function of each organelle.
Answer:
Cytoplasm: Fluid between the cell membrane and the nucleus. helps protect organelles
Nucleus: A part of the cell containing hereditary information and is responsible for growth and reproduction; the "command center" of the cell.
Ribosome: A small particle in the cell that can make proteins.
Endoplasmic Reticulum: A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.
Golgi Apparatus: A cell structure that helps make and package materials to be transported out of the cell or for storage inside the cell.
Lysosome: Cell organelle filled with enzymes needed to break down certain materials in the cell, such as large food particles or old parts of the cell. May be found only in animal cells.
Vacuole: Saclike storage structure in the cell. can store water, nutrients, and even toxic substances.
Mitochondrion: An organelle containing enzymes responsible for producing energy. (Metabolism/respiration)
Chloroplast: An organelle found in the cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy (photosynthesis).
Cell membrane: The thin, flexible barrier around a cell; controls what enters and leaves the cell.
Cell wall: The structure outside of the cell membrane that is used to provide support and protection. Present in plants, algae, fungi, and many prokaryotes.
Answer:
The nucleus directs cell activity.
Ribosomes produce proteins for the cell. These proteins are then moved through the cell by the endoplasmic reticulum.
The Golgi apparatus packages and distributes proteins from the endoplasmic reticulum.
Vacuoles store water, waste products, food, etc.
Lysosomes break down waste material and debris.
Mitochondria break down sugar molecules to supply energy. Similarly, chloroplasts capture the energy from sunlight and convert it into chemical energy.
The cell membrane protects the cell and controls what enters and leaves it. The cell wall supports the cell membrane, maintains the cell’s shape, and protects the cell.
The cytoplasm supports and protects organelles in the cell.
Explanation:
Which molecules in your body do
not contain carbon atoms?
Genes, which are made of DNA
Proteins
Sugars
Water
I'm pretty sure its water
What type of trees looses their leave on fall
Answer:
deciduous trees
Explanation:
Answer:
Deciduous trees
Explanation:
anyone knows how to calculate this????
Answer:
B 1.33 x 10^6
Explanation:
first before calculating any magnification, you need to make sure all units are the same
you can convert 7.5nm to mm which is basically
7.5 x 10^-6
now all values are in mm, we can calculate magnification:
\(mag = \frac{image \: size}{actual \: size} \)
image size is the length in the diagram = 10mm
\(mag = \frac{10mm}{7.5 \times {10}^{ - 6} mm} \)
If you put this into a calculator you'll get the answer:
1.33 x 10^6 which is option B
Note that magnification has no units as they are canceled off.
Please help it’s urgent!!!
the arteries __________________ carry oxygen-rich blood into the cranial cavity
The arteries that carry oxygen-rich blood into the cranial cavity are known as the cerebral arteries. Arteries are blood vessels that transport oxygen-rich blood from the heart to the rest of the body.
Arteries are known for their strong, elastic walls, which allow them to withstand the high pressure of blood flowing through them at a rapid pace.
The cerebrum is the largest part of the brain. It is divided into two hemispheres and is responsible for controlling various cognitive functions such as memory, attention, perception, and thinking processes. Cerebral arteries are blood vessels that supply oxygen and nutrients to the cerebrum.
They are responsible for delivering oxygen-rich blood to the brain. The cerebral arteries are categorized into two groups based on their location in the brain: the anterior cerebral arteries and the middle cerebral arteries.
Thus, the arteries that carry oxygen-rich blood into the cranial cavity are known as the cerebral arteries.
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URGENT!! According to the RNA hypothesis it is believed that all living things came from a common ancestor what evidence supports this theory?
A. The RNA molecule has the same molecule controlling as replication in all living things
B. The RNA molecule is an inorganic molecule
C. The RNA molecule is considered the master copy of all living things
D. The RNA molecule is able to self replicate
Can you answer this?