Biology, 08.10.2019 00:30 tamaraquirozmorales
Assume that some members of an aquatic species of motile, photosynthetic protists evolve to become parasitic to fish. they gain the ability to live in the fish gut, absorbing nutrients as the fish digest food. overtime, which of the following phenotypic changes would you expect to observe in the population of protists?
a.) gain of meiosis
b.) loss of mobility
c.) loss of chloroplasts
d.) no changes would be expected
e.) gain a rigid cell wall
Answers: 3
Biology, 22.06.2019 02:30
Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
Answers: 1
Biology, 22.06.2019 06:40
The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3
Answers: 3
Biology, 22.06.2019 10:00
How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground
Answers: 2
Assume that some members of an aquatic species of motile, photosynthetic protists evolve to become p...
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