I think it depends on what it is about.. Did your teacher give you a punnett square or anything like that?
B. They decrease. As more we use the sources of nature, the less is left.
The Fossil Record. Fossils provide evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution. Scientists date and categorize fossils to determine when the organisms lived relative to each other.
Brainliest please
Answer:
option b
Explanation:
paramecium posseses cilia
Answer:
if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
Explanation:
