The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
I'm just guessing since this is my prediction. Either B. or D. I dont know about C. and it is definitely not A. since the lumber companies are only taking down some trees instead of all of them.
In the light-dependent reactions, which take place at the thylakoid membrane, chlorophyll absorbs energy from sunlight and then converts it into chemical energy with the use of water. ... The lower energy form, NADP+, picks up a high energy electron and a proton and is converted to NADPH.
Answer:
D.
Explanation:
It is all of these because the motion is A. speed because when something is moving it has a certain speed. B. position. it's motion determines its next position. direction because without direction it would not move. direction DIRECTS it which way to go. so D. , all of them
Natural selection is a process by which organisms that are better adapted to their environment tend to D-survive.
Rationale behind not choosing other options:
A. Better adaptation to an environment doesn't lead to an increase in the size of the organisms. The organisms rather become sturdy and efficient at perform optimally as per the requirement in the environment for their survival.
B. Migration takes place to minimize competition for food, shelter, and space in an environment or a habitat.
C. Organisms that evolve new traits tend to better survive in an environment and natural selection favors such organisms over the inefficient ones.
