FREE BIOLOGY AND STUDY GAMES ABOUT UNIT 3 EXAM

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FREE BIOLOGY AND STUDY GAMES ABOUT UNIT 3 EXAM

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Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -15 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which single-celled organism forms a colony with other organisms of the same species?

Answer:

Volvox

Question 2: Which is a heterotrophic protist?

Answer:

Amoeba, because it engulfs food Question 3: Which best describes how plants' cell structure allows them to get food without eating?

Answer:

Food (glucose) is produced within the chloroplast of the cell.

Question 4: Which is the simplest level of organization?

Answer:

Lung cell

Question 5: Why are chloroplasts found in plant cells, but missing in animal cells?

Answer:

Plants use chloroplasts to make their own food from sunlight, an ability animals do not possess.

Question 6: Which 2 single-celled organisms have chloroplasts?

Answer:

Euglena and volvox Question 7: Why are cell walls absent in animal cells, but necessary for the survival of plant cells?

Answer:

Animal cells need to be flexible, while plant cells need to be rigid and firm to

Question 8: Which structures work together in the human body to form a tissue?

Answer:

Specialized cells Question 9: Which statement best compares how a paramecium and an amoeba obtain food?

Answer:

The paramecium obtains food through an oral groove, while the amoeba uses pseudopods

Question 10: Which is found in plant cells, but not in animal cells?

Answer:

Chloroplast

Question 11: Which best describes the mitochondria of a cell?

Answer:

It is where cellular respiration occurs

Question 12: Which statement best describes the function of a vacuole?

Answer:

It stores water and other materials

Question 13: A scientist is observing a freshwater sample under a light microscope. The sample contains a moving cell that has small, hairlike projections. Which type of cell is the scientist most likely observing?

Answer:

Animal Question 14: Which is the lowest level of organization in a multicellular organism?

Answer:

Organ

Question 15: Which organelle could best be compared to a closet in a house?

Answer:

vacuole