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Semmy [17]
3 years ago
9

What is the advantage of creating a model of a dinosaur?​

Biology
1 answer:
pochemuha3 years ago
5 0

Answer:

Real dinosaurs can not be studied because they died out many years ago. so this is how we are learning about the past

Explanation:

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Question 3<br> Which of the following statements about environmental changes is true?
Serggg [28]

Answer:

The options are

A) they may affect several populations in an ecosystem

B) they cannot be caused by human activity

C) they affect food chains but not food webs

D) They have no effect on living organisms in an ecosystem him

The answer is A) they may affect several populations in an ecosystem

Explanation:

Environmental changes include deforestation and climate changes. Organisms depend on their habitat and climatic conditions for their survival because it determines their food availability too.

When environmental change occurs they may affect several populations in an ecosystem.

8 0
3 years ago
Which is one of the six fundamental elements that are found in living organisms?
Bas_tet [7]

Which is one of the six fundamental elements that are found in living organisms?


4 0
3 years ago
Read 2 more answers
Natural selection is a common mechanism for proposing how evolution occurs. Which statements describe how natural selection work
vekshin1

Answer:A and D

Explanation: Because that’s what US Test Prep said was right.

6 0
3 years ago
A student inoculates a gelatin tube and places it at 37C for the week. When he comes back he takes the tube out of the incubator
ycow [4]
<h2>Gelatin </h2>

Explanation:

Gelatin is a differential medium which tests the ability of an organism to produce an exoenzyme, called gelatinase (this enzyme hydrolyzes gelatin)

When gelatin is at a temperature below 32°C (or within a few degrees thereof), it is a semisolid material and at temperatures above 32°C, it is a viscous liquid

When gelatin is broken down, it can no longer solidify and if an organism can break down gelatin, the areas where the organism has grown will remain liquid even if the gelatin is refrigerated

No the conclusion by student is not right because the tube must be runny after incubation followed by refrigeration to be considered gelatinase positive

3 0
3 years ago
Question:
maksim [4K]

Explanation:

The non living things in its environment is called a " matrix,"

A matrix is what supports a non living thing to reproduce, triple its existence & reproduce in mass quantities, like soil bacteria, and others..

6 0
2 years ago
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