Some invertebrates can move gases across
their cell's membrane by ___ through
interstitial fluid
a. active transport
b. facilitated diffusion
c. bulk transport
d. simple diffusion
e. osmosis
D
You might also like to view...
If the energy of the sun no longer reached Earth, the primary productivity of which of the following ecosystems would be least affected?
A. deep sea hydrothermal vent B. temperate rain forest C. desert D. taiga E. coral reef
Which of the following structures all contain valves?
a. arteries and veins b. arteries and heart c. arteries, capillaries, heart d. lymph capillaries, arteries, heart e. lymph capillaries, veins, heart
By 3.2 billion years ago, chemosynthetic cells had
become established a. near deep-sea hydrothermal vents. b. in salt lakes. c. in hot, highly acidic, fresh-water springs. d. in deep oceanic sediments. e. in the upper sunlit waters of the open oceans.
What are the three parts of a DNA nucleotide?
What will be an ideal response?