How can predators influence the species richness and structure of communities?
a. Predators increase the carrying capacity of their prey.
b. Predators destabilize competitive interactions among their prey.
c. Predators increase the population sizes of pathogens.
d. Predators increase the population sizes of their prey.
e. Predators reduce the population sizes of their prey.
ANSWER: e
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How do carnivores and herbivores differ?
A. Carnivores must eat more frequently than herbivores. B. Carnivores and herbivores require different enzymes to digest their food. C. Carnivores can be opportunistic but herbivores cannot. D. Herbivores can be opportunistic but carnivores cannot. E. Herbivores remain herbivores at all stages of development, while carnivores are often herbivores in their larval stages.
Skin cancers typically develop in the
a. lower layers of the epidermis. b. upper layers of the dermis. c. upper layers of the epidermis. d. lower layers of the dermis. e. subcutaneous layer.
Krebs cycle reactions and electron transfer
phosphorylation are a. in the mitochondrion and ER, respectively. b. in separate parts of the mitochondrion. c. inside and outside the mitochondrion, respectively. d. in the same mitochondrial compartment. e. cytoplasmic reactions.
T or F: medial and lateral are the same as left and right
What will be an ideal response?