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Valentin [98]
3 years ago
9

What is not a necessity of life?

Biology
1 answer:
Natalija [7]3 years ago
4 0
Any wants basically. like a game or a car
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An energy pyramid is shown. Which sentence best describes how energy flows through this pyramid? A) Energy is transferred down e
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<h3><u>Answer;</u></h3>

C. Energy is transferred from organisms in one level to those in the level above.

<h3><u>Explanation;</u></h3>
  • Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
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3 years ago
VOCABULARY REVIEW Define purine
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Answer:

a substituted derivative of purine, especially the bases adenine and guanine present in DNA.

a colorless crystalline compound with basic properties, forming uric acid on oxidation.

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3 years ago
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Telegraphy remained the major technology for intercontinental communication well into the ________.
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I believe it was the 1940s.
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3 years ago
A group of two or more organs that work together to perform a specific function.
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C. Organ System


Like said in the definition above, an organ system is a group of organs working together to perform a specific function for the organism.



hope this helps !! have a great day :))
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3 years ago
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Consider the phylogeny below. The coelom evolved once in the common ancestor of protostomes and deuterostomes. What does the phy
VikaD [51]

Answer:

Flat worms belong to Phylum- Platyhelminthes as they have flat body because they don't have any coelom in their body or called acoelomate

Explanation:

Coelom is called as the true body cavity that is found in Porifera and Cnidaria but when it comes to platyhelminthes, the coelom is not found and thus they have flat like structure and they are categorized under first triploblastic  animals that is they contain 3 tissue layer which are found in higher animals (Ectoderm, Mesoderm and endoderm) also cephalization takes place in this parasitic group which indicates evolution towards higher, complex organisms.

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