Why do food chains in an ecosystem rarely contain more than five organisms?

2 answers:

6 0

The answer should be D because if thats one of your answers on your tests and you missed it, then i would recemend studing. D is the answer because if organisms die, then new ones grow.

MAXImum [283]3 years ago

6 0

Well as you move along a food chain, energy is lost due to excrement, growth, respiration, etc. So having a really long food chain would mean very few nutrients from the original plant would actually make it to the apex predator. From that knowledge, C looks like the answer. Nutrients definitely aren't lost from an ecosystem, and I don't see how recycling nutrients or energy would be a limiting factor on the length of a food chain, since it can happen at any point on it

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Among coelomates, which of these develops by spiral cleavage and the mouth forms before the anus

nekit [7.7K]

Answer:

Protosomes

Explanation:

Protosome is a multicellular organism whose mouth grows before the anus from a primary embryonic opening which includesphyla mollusk, arthropod or annelid. Protosomes are developed by spiral cleavage during embryo development.

Protosome animals have bilateral symmetry and three germ layers. Some of the examples of protostomes are snails and slugs (mollusk), earthworms (annelids), and spiders, lobsters, barnacles (arthropods).

Hence, the correct answer is Protosomes .

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grigory [225]

The answer is B Adipose tissue.

We know that it cant be C or D
And A was wrong.