In some plants, the direction of growth changes in response to contact with an object. This is called
__________. Fill in the blank(s) with the appropriate word(s).
thigmotropism
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Marine mammals are unable to breathe air during periods of prolonged diving. To enable such feats, in relation to their muscle physiology, they have
A. increased myoglobin concentrations. B. increased capillary densities. C. increased amounts of sarcoplasmic reticulum. D. increased expression of acetylcholine receptors. E. All of the choices for this question are correct.
Mycorrhizal fungi interact with plants at the
A. stomata. B. seed coat. C. roots. D. edge of ponds. E. cuticle.
In fruit flies, which of the characteristics you studied was X-linked? ____________________
Fill in the blank(s) with the appropriate word(s).
Which one of the following groups is characterized as eukaryotic?
A) Protists B) Viruses C) Prions D) Bacteria E) Cyanobacteria