Answer:
O True
Explanation:
Ecosystem engineers are able to modify the surrounding environment, either by creating new habitats or modifying/destroying existing ones to adjust them to their needs. These species can significantly alter their environments, having a large impact on the species richness as well as modifying the availability of abiotic factors (e.g., water, space, etc) of a particular area. In certain environments, ecosystem engineers can even act as keystone species. Some examples of ecosystem engineers include, among others, beavers, woodpeckers, corals, etc.
C. Dinosaur footprint as it is the only body part that is stated in the choices.
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Answer:
Water moves in and out of cells by osmosis through the cell membrane. ... Aquaporins selectively conduct water molecules in and out of cells, while preventing the passage of ions and other solutes.
Explanation:
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Channel protein is important because it is embedded in the membrane and it also covers the membrane. This is important because the channel must transport the micromolecules and ions in and out of the cell. Carrier proteins are important because the carrier must transport the molecule in and out of the cell.
Your answer is going to be A. Excretory.