In one area is a desert ecosystem and in another area is a tundra. What two fundamental resources differ in the ecosystems of these two areas? Why are these two more important than the other fundamental resources?
What will be an ideal response?
The ecosystems differ in temperature and moisture; these are the most important resources because they are less evenly distributed than are nutrients and energy.
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Animals that weigh more than 100 pounds are considered as
A. extinct. B. endangered species. C. safe from extinction. D. sensitive species. E. megafauna.
Which is a differentiating characteristic of land plants from green algae?
a. Land plants photosynthesize. b. Land plants have chlorophyll.. c. Land plants have a waxy cuticle. d. Land plants utilize carbon dioxide. e. Land plants’s cell walls are made of cellulose
The action of a white blood cell engulfing a bacterium is known as ____.
A. pinocytosis only B. phagocytosis only C. exocytosis and phagocytosis D. endocytosis and pinocytosis E. phagocytosis and endocytosis
What is the main goal for making engineered "golden rice"? a. Make rice attractive to pollinators b. Make rice crops resistant to pests c. Make rice more nutritious d. Enable rice crops to withstand drought conditions e. Wind-proof rice crops
What will be an ideal response?