How does the presence of permafrost affect tundra plant life? A. It prevents all roots from growing, so only lichens can grow.
B. It provides moisture for roots to grow deep, allowing many types of plant life.
c. It only allows shallow root growth, so large plants cannot grow as they normally would.
D. It leaches minerals from the top layer of soil, preventing most plants from growing.

Select the correct answer.which scenario describes unethical lab behavior? a.danny stores the chemicals required for his experiment in flasks and beakers.b. anna publishes the results of her experiment on the growth rate of saplings.c. jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.resetnext

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand