Answer:
b. False
Explanation:
Channel proteins use passive transport, that is, they do not require energy such as ATP for transporting molecules.
Matthias Schleiden said plant tissue is made of cells and Theodor Schwann proved that with animal tissue
Answer:
65 million years ago
Explanation:
At the end of the Cretaceous Period. Dinosaurs became extinct at the boundary between the Cretaceous and Paleogene eras, about 66 million years ago, at a time when there was worldwide environmental change resulting from the impact of a large celestial object with the Earth and/or from vast volcanic eruptions.
I think the answer might be D
