Plant species are capable of attracting insects using chemicals. How can this aid in defense?
A. Some plant species attract pollinators.
B. Some plant species attract insects that
consume or parasitize herbivores.
C. Some plants have inducible defenses that
they produce only when herbivores are
feeding on them.
D. Some plants produce spines for defense.
E. Some plant species are unable to defend
themselves.
B
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Birds that live in marine environments, and thus lack access to fresh drinking water, _____
A) osmoregulate without using a transport epithelium for this purpose B) drink seawater and secrete excess ions through their kidneys only C) drink seawater and secrete excess ions mainly through their nasal salt glands D) have plasma that is isoosmotic to ocean water E) obtain water by eating only osmoregulating prey
The concept that offspring can inherit the acquired skills of their parents is called
A. pangenesis. B. blending inheritance. C. particulate inheritance. D. Lamarck's hypothesis. E. blending inheritance or Lamarck's hypothesis.
what does the T cytotoxic cell (CTL) do?
What will be an ideal response?
Chromosome pair number 23 is classified as
a. centrosomes. b. somatosomes. c. sex chromosomes. d. autosomes. e. corposomes.