NC Biology EOC Review

A tapeworm lives in the intestines of a dog. It absorbs food the dog has eaten and grows larger in the process. The dog becomes weaker from malnutrition. What type of symbiotic relationship is this?

• mutualism

• commensalism

• parasitism

• predation

Which process is used to make mRNA from the DNA in the nucleus?

• transcription

• translation

• replication

What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine

• RNA contains uracil in place of adenine

• RNA contains uracil in place of guanine

• RNA contains uracil in place of  cytosine

In RNA, Uracil pairs with ______. 

• cytosine

• adenine

• guanine

• thymine

Which statement describes an autotroph?

• It is an organism that makes its own food.

• It is an organism that eats other organisms.

• It is an organism that eats decaying matter.

• None of the above.

Which of these phrases describes the biotic factors of an ecosystem?

• the number of individual organisms in each trophic level of an ecosystem

• any living part of an environment

• an organism that eats only meat

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria

• the vacuoles

• the nucleus

• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

Tags

NGSS.MS-LS3-1

Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 

• Variation 

• Adaptation

• Natural Selection 

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

The gradual change in species over time is...

• Evolution

• Nucleotide 

• Adaptation

• Natural Selection

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4