Select the correct statement about the energy and/or nutrient that makes life possible.
A) both are recycled, nutrients when an organism dies and energy when it is eaten
B) the sun provides energy in the form of heat
C) producers obtain both energy and nutrients from the environment while consumers obtain both by using the tissues of producers or other organisms
D) nutrients move through the ecosystem in a continuous directional flow
E) all of the choices
Answer: C) producers obtain both energy and nutrients from the environment while consumers obtain both by using the tissues of producers or other organisms
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If rotifers have a diploid number of 38, how many chromosomes would be found in a sperm
cell?
a. 38 b. 19 c. 76
Which enzyme links nucleotides into a new stand of DNA?
a. DNA ligase b. DNA mutase c. DNA polymerase d. DNA primer e. DNA replicase
Which of the following would require a channel to pass through the membrane?
a. alcohol b. glucose c. oxygen d. fatty acid
Absorptive phase
What will be an ideal response?