A paramecium has cilia, while a euglena has a flagellum. Which life process do these two organelles have in common? A. defense B. Movement C. Nutrition D. reproduction

A young salamander is injected with a substance that causes it to mature at a rate above normal. In which category of organic compounds would this substance most likely be found? A. enzymes B. Hormones C. Lipids D. pheromones

If the xylem in a young tree is damaged, which process is affected first? A. absorption of water from the soil B. transporting water to the leaves C. transporting sugar to the roots D. carrying out photosynthesis

Which best compares how mammals and birds reproduce? A. Both mammals and birds incubate their offspring inside of their bodies. B. Both mammals and birds incubate their offspring outside of their bodies. C. Mammals incubate their offspring inside their bodies, but birds incubate their offspring outside of their bodies. D. Mammals incubate their offspring outside of their bodies, but birds incubate their offspring inside of their bodies.

How do auxins help plant producers to propagate plants asexually ? A. The auxins cause the meristem tissue to multiply into leaves. B. The gibberellins cause the seeds to enlarge for better germination. C. The hormones help the plant cutting’s wound to heal so it will live. D. The hormones help cells differentiate into root cells and elongate, forming roots.

Which structures do amphibians use to perform respiration during early and adult stages? A. Amphibians use gills for respiration in their early and adult stages. B. Amphibians use lungs for respiration in their early and adult stages. C. Amphibians can use both lungs and gills for respiration in their early and adult stages. D. Amphibians use gills for respiration in their early stage, and lungs in their adult stage.

Which statement best compares gymnosperms and angiosperms? A. Gymnosperms and angiosperms both absorb nutrients through their roots and conduct photosynthesis. B. Gymnosperms and angiosperms both absorb nutrients through their roots; however, gymnosperms do not conduct photosynthesis while angiosperms do. C. Gymnosperms and angiosperms both absorb nutrients through their roots; however, gymnosperms conduct photosynthesis and angiosperms do not. D. Gymnosperms and angiosperms both conduct photosynthesis; however, gymnosperms do not absorb nutrients through their roots and angiosperms do.

Which organelle and process would a Euglena use to remove excess water? A. endosome and pinocytosis B. endosome and osmoregulation C. contractile vacuole and pinocytosis D. contractile vacuole and osmoregulation

How is sexual reproduction an advantage for terrestrial mammals? A. The eggs are fertilized in water. B. The eggs are fertilized externally on land. C. The eggs are fertilized within the female’s body. D. The eggs are fertilized externally by multiple males.

Which products of cellular metabolism would most likely be produced by animals? A. glucose, water, and carbon dioxide B. nitrogenous wastes, glucose, and water C. carbon dioxide, water, and nitrogenous wastes D. oxygen, carbon dioxide, and nitrogenous wastes