What is the deep scattering layer? How was it discovered? What organisms commonly compose this layer?
What will be an ideal response?
The deep scattering layer is a dense layer of migrating animals that moves from the mesopelagic to the epipelagic on a diel basis. It was discovered with sonar and it is composed of zooplankton groups such as crustaceans and siphonophores as well as small lantern fishes and hatchet fishes.
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What do you know about kinase inhibitors? What other information is related to the question?
What will be an ideal response?
Since the 1970s, approximately 40 new infectious disease agents have been discovered, including SARS, chikungunya and zika. The ability of these agents to spread rapidly and cause global concern is due to all of the following except
A. communities are spreading into rural areas/wildlife habitats. B. individuals are traveling more frequently and farther distances than in the previous half-century. C. communities are becoming more sparsely populated. D. communities are becoming more densely populated.
Cadherins and other cell-adhesion molecules that guide cell migration are
A) steroid hormones. B) glycoproteins. C) fatty acids. D) prostacyclins. E) ribonucleic acids.
Which type of plant has a network of cell that conduct water and solutes throughout the plant’s body?
a. nonvascular plants b. vascular plants c. gymnosperms d. angiosperms