What is the main source of nutrition for animals that live on the continental shelf?
What will be an ideal response?
Since primary producers do not exist in the deeper areas of the continental shelves, the animals that live in these areas depend on the rain of sinking food particles from above for their nutrition.
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An instrument that measures lung volumes is a
a. caliper. b. spirometer. c. barometer. d. stethoscope.
Which of the following is not a characteristic of any animal?
a. locomotion at some time during the life cycle b. multicellular eukaryotes c. heterotrophic d. sexual reproduction involving motile sperm e. share a common body plan
Which of the following groups of organisms could easily grow jams and jellies?
A) extremophiles B) aquaphiles C) osmophiles D) halophiles
In a P1 cross involving incomplete dominance, ____
a. the dominant phenotype is expressed in the F1
b. the recessive phenotype is expressed in the F1
c. Mendelian inheritance does not apply
d. the phenotypic ratio and genotypic ratio in the F1 are identical
e. heterozygotes will express the parental phenotype