I believe it is the retina that changes shape to focus on distant objects.
A
biologist has found an organism she cannot identify while doing a
census in a swamp. The best characteristic to look for in order to
decide whether this organism should be classifies as a protist or as
a plant is….
Answer:
B) If it is unicellular, it is a protist.
<span>Although
there are single celled archaea and fungi.</span>
<span>I
hope it helps, Regards.</span>
They both involve topics related to the natural world, and are both based on empirical evidence. <span />
Answer:
A. Rock pieces
Explanation:
Abrasion is the breaking down and wearing away of rock material by the mechanical action of other rocks. Three agents of physical weathering that can cause abrasion are moving water, wind and gravity. None of those are agents of abrasion. But Rock pieces are a result of abrasion.