Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
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.
The following are included in the freshwater biome : Rivers, Lakes , and Streams.
Oceans have salt/saline water so they are excluded.
Answer:
The carbon dioxide enters the leaves of the plant through small pores called stomata
Explanation:
