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Andreas93 [3]
3 years ago
5

Which system creates blood cells?

Biology
2 answers:
Stella [2.4K]3 years ago
6 0

skeletal system create blood cells

Leto [7]3 years ago
6 0

Answer:

skeletal

Explanation:

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describe the basic process of evolution by natural selection. Describe the underlying genetic basis and role of the environment
shepuryov [24]

Answer AND Explanation:

Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.

8 0
3 years ago
Limiting factors in water bio mes include
lawyer [7]

Answer:

all of the above

Explanation:

Water biomes describe all the living things living in an area of water such as a lake or ocean. The surrounding environment plays a huge part in what organisms able to live there.

For example, green plants and algae require sufficient sunlight and oxygen to perform photosynthesis. Green plants and algae are an important food source for many other organisms. The amount of salt is important for various fish, as they will be unable to survive in very high salt concentrations. Therefore, all of the above are limiting factors.

3 0
3 years ago
Which would probably have the greatest effect on a protein's function
kakasveta [241]

Answer:

tertiary structure

Interactions among the amino acid side chains within a single protein molecule determine the protein's tertiary structure. Tertiary structure is the most important of the structural levels in determining, for example, the enzymatic activity of a protein.

HOPE THIS HELP!!

6 0
3 years ago
If a person experiences rapid breathing, muscle twitches, and perspiration when trying to quit using illegal opiates, he or she
Nuetrik [128]
<span>This person is experiencing common physical symptoms of what is called "withdrawals". Opiates, when used illegally, can be highly addictive. This drug targets the central nervous system (the brain, cardiovascular and respiratory systems) and contains opioid receptors that receive opiate drugs. Abusing this drug can disrupt a person's brain chemistry, leading to severe physical withdrawal symptoms as listed in the question.</span>
3 0
3 years ago
What type of speciation occurs when new species arise as a result of geographic isolation?
Anastasy [175]
Allopatric<span> speciation occurs when new species arise as a result of geographic isolation from the ancestral species. It involves an extrinsic barrier to gene exchange and can occur by a number of means including subdivision or peripheral division.</span>
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3 years ago
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