Because the vasculary bundles are sectioned and sieve can't pass through to feed the organs of the plant.
1. B, because Eukaryotes don't have cells walls or chloroplasts or large central vacuoles.
4. A, the vacuole gives the plant it's shape and stores wastes for the plant
Answer:
calcium carbonate is an example of biogenic rock
<span>Active transport is a process requiring energy in which a substance crosses the cell membrane. When the nerve cell is in its resting potential, there are the positively charged sodium ions and the negatively charged potassium ions. During depolarization, the neuron fires, wherein the active transport plays its role: the positive ions are forced in and the negative ions are forced out. When depolarization is done, these ions are again back to normal through active transport.</span>
Answer:
D. Biome
Explanation:
The most comprehensive ecological unit of the biosphere is the biomes. Biomes are the largest ecological unit of life.
