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BIOLOGY
HIGH SCHOOL
Which is the best definition of a prokaryotic cell? It has a cell wall but lacks a well–defined nucleus and organelles, and its cytoplasm doesn't have much structure.It contains a membrane–bound nucleus and organelles, and its organelles have specialized duties.It contains a membrane–bound nucleus, a large central vacuole, a cell wall, a cell membrane, and chloroplasts.
BIOLOGY
HIGH SCHOOL
Is a dinosaur fossil living or nonliving?
BIOLOGY
HIGH SCHOOL
Is an organelle living or nonliving?
BIOLOGY
HIGH SCHOOL
Why is it important to study cells
BIOLOGY
HIGH SCHOOL
The sandy beach system is important because:they protect upland areas from erosion homes to hundreds of organisms provide recreation for humansall of the above
BIOLOGY
HIGH SCHOOL
WHY DO COMMUNITIES CHANGE OVER TIME
BIOLOGY
HIGH SCHOOL
A person surviving a disease acquires what is called passive immunity.TrueFalse
BIOLOGY
HIGH SCHOOL
Tumors secrete chemical signals that cause blood vessels from the circulatory system to grow into the tumor, providing nutrients. What is this called?Select one:a. Mitosisb. Mutationc. Apoptosisd. Angiogenesise. Metastasis
BIOLOGY
MIDDLE SCHOOL
To find out if a person's experiment was accurate and true, you canA) repeat just the pre-experimental stageB) choose to agree with the hypothesis C) repeat all five steps in the scientific method D) draw your own conclusion
BIOLOGY
HIGH SCHOOL
The number of chromosomes in a gamete is represented by the symbolA. Z. B. X. C. N. D. Y.
BIOLOGY
HIGH SCHOOL
Antonym for Food Chain?
BIOLOGY
HIGH SCHOOL
An enzyme is a large ________ molecule.carbohydrate nucleic acidpolysaccharide protein
BIOLOGY
HIGH SCHOOL
Which is an advantage that multicellular organisms have compared to single-celled organisms?A.Their cells are all alike.B.They can live in extreme environments.C.They have different cells for different tasks.D.They are able to move around freely.
BIOLOGY
HIGH SCHOOL
Where do you find tundra?A. At high elevationsB. In AntarcticaC. North of the Arctic CircleD. North of the Arctic Circle and at high elevations
BIOLOGY
HIGH SCHOOL
What do food webs help us understand?
BIOLOGY
HIGH SCHOOL
Which of the following is one of the five causes of a business cycle?a. decrease in consumer demandc. recessionb. external shocksd. none of the above
BIOLOGY
HIGH SCHOOL
List two ways in which water enters the atmosphere in the water cycle
BIOLOGY
HIGH SCHOOL
What is meant by "nutrient limitation"?
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