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7th Grade 4.1 Test

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Last updated almost 3 years ago
20 questions
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Question 1
1.

A difference in beak shape among members of the same finch species is an example of variation.

Question 2
2.

Food we eat has not been modified through selective breeding.

Question 3
3.

Which of the following is a behavioral adaptation?

Question 4
4.
A(n) __________is an inherited trait that increases an organism’s chance of survival and reproduction.
Question 5
5.

Choose ALL that apply.
An adaptation is _______.

Question 6
6.

Using complete sentences, compare AND contrast genetic engineering and artificial selection.

Question 7
7.
A dog breeder prefers very pointy noses for his dogs. So, he breeds dogs with the most pointed noses he can find in hopes of getting puppies with very pointy noses. This process is called _______ .
Question 8
8.
_______ is an example of an environmental extreme that an organism might need to adapt to in order to survive.
Question 9
9.

A mutation can be inherited.

Question 10
10.

A trait in a genetically engineered organism can be inherited.

Question 11
11.

Using complete sentences, explain why Darwin's theory of natural selection is sometimes described as "survival of the fittest"?

Question 12
12.

Which of the following is NOT part of a chromosome?

Question 13
13.

Match the nitrogenous base with it's pair.

Draggable itemarrow_right_altCorresponding Item
Guanine
arrow_right_alt
Thymine
Cytosine
arrow_right_alt
Guanine
Adenine
arrow_right_alt
Adenine
Thymine
arrow_right_alt
Cytosine
Question 14
14.

Match the type of RNA on the left with the correct function on the right.

  • mRNA
  • rRNA
  • tRNA
  • carries instructions for protein synthesis from the nucleus to the cytoplasm
  • carries amino acids to the ribosome and mtches them to the coded mRNA message
  • forms an important part of the ribosome
Question 15
15.

Genes contain the instructions for assembling

Question 16
16.

Inherited traits are:

Question 17
17.

Gregor Mendel observed that pea plant traits did not blend in their offspring. This led him to conclude that:

Question 18
18.

Artificial selection can occur naturally without human intervention.

Question 19
19.

Artificial selection can only be used to improve the physical appearance of an organism, not its behavior or ability to survive.

Question 20
20.

Artificial selection is often used by farmers, plant breeders, and animal breeders to produce organisms that are more productive, disease-resistant, or aesthetically pleasing. (aesthetically pleasing is another way to say "looks nice")