Why don't fish have spines like the foraminifera to keep them from sinking?
a) The drag would use up too much energy in swimming.
b) The fish is too heavy, so the drag would not slow its sinking by much.
c) The drag would hinder the fish from catching prey.
d) Fish don't need the extra surface area of spines to keep them buoyant due to their internal and external structure.
e) A, B, and C
E
You might also like to view...
Which of the following is essential for lake-effect snow to occur near the Great Lakes?
A. cold water B. open water C. warm air D. ice-covered water
A kingdom in the hierarchical system of classification can be defined as ________
A) a major subdivision of a phylum or a division containing one or more orders of their subgroup B) an overall category containing organisms that share fundamental structures and functions C) a major subdivision of an order containing one or more genera and their subgroups D) a major subdivision of a family containing one or more species E) a group of similar individuals that are able to interbred with one another in the world
If an imbalance occurs between incoming and outgoing energy at the earth's surface:
A) temperatures either increase or decrease. B) minimum temperatures occur. C) temperatures remain steady. D) maximum temperatures occur.
Indian reservations are among the poorest communities in both the U.S and Canada. What problems do reservations currently experience?