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zaharov [31]
3 years ago
6

Why must all living things excrete waste products?

Biology
1 answer:
lakkis [162]3 years ago
3 0
Because they are unwanted or excess substances that the bodies of living organisms don't need.
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Grizzly bears: As predators, bears eat several species, like moose and elk. They also eat many fruits throughout the ecosystem.
Anuta_ua [19.1K]

Your teacher likes to copy. Found this at https://examples.yourdictionary.com/examples-of-keystone-species.html


Grizzly bears: As predators, bears keep down the numbers of several species, like moose and elk. They also carry and deposit seeds throughout the ecosystem. Bears that eat salmon will leave their dropping and the partially eaten remains that provide nutrients such as sulfur, nitrogen and carbon to the soil.  

6 0
3 years ago
in a certain fish, blue scales (BB) and red scales (bb) are codominant. when a fish has the hybrid genotype, it has patchwork of
Lena [83]

Answer:

BB is blue

bb is red

Bb is patchwork

Explanation:

It can't really be codominant since lowercase letters are recessive, and condomance needs 2 dominant alleles of a different types. So really it should be BB for blue, RR for red and BR for patchwork...

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3 years ago
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<span>Your skeleton is internal, which means it is contained inside of you. A grasshopper has an external skeleton, or exoskeleton, with everything contained inside it. </span>
5 0
3 years ago
Read 2 more answers
A child who has a mental age of 9 and a chronological age of 10 will have an IQ of
AveGali [126]
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Please help, will be greatful!
Step2247 [10]

Answer:

B

Explanation:

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