Biology, 18.10.2019 09:30 klysse123

Sponges have no nerve tissue or sense organs. explain why this means that sponges have no cephalisation.

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 02:00, winterblanco

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

Answers: 1

continue

Biology, 22.06.2019 10:50, isabelgarcia188

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.

Answers: 1

continue

Biology, 22.06.2019 15:00, Kylabayor

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?

Answers: 2

continue

Biology, 22.06.2019 22:00, devenybates

10 points a population of mice have tails. over time those mice with either really short tails or really long tails have a higher rate of survival. this will probably lead to what type of selection? a. disruptiveb. directionalc. stabilizingd. evological

Answers: 1

continue

You know the right answer?

Sponges have no nerve tissue or sense organs. explain why this means that sponges have no cephalisat...