The exoskeleton of early marine arthropods can be considered a "pre-adaptation" for life on land because it
A) resisted water loss. B) absorbed light.
C) protected against predators. D) reflected ultraviolet radiation.
A
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What is a phospholipid?
A. A special kind of lipid with a water-fearing head and 2 water-loving tails B. A special kind of lipid with 2 water-loving heads and 1 water-fearing tail C. A special kind of lipid with a water-loving head and 2 water-fearing tails D. A special kind of lipid with 2 water-fearing heads and 1 water-loving tail
Blood is a type of connective tissue because blood _____
A) has multiple cell types B) has an extensive extracellular matrix C) functions in transportation D) can be both liquid and solid
Some resident intertidal fish include all the following except
a. rock eels. b. lamprey eels. c. gobies. d. sculpins. e. blennies.
Describe the five levels of ecological organization in the context of the biosphere and biomes
What will be an ideal response?