Rough and smooth ER is the two kinds
Answer:
carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid.
The correct answer is D. Animals not adapted to cold migrate to warmer regions, because suppose that the cold temperatures kill most of the plants, so if they can die why they select that place to live? The option B is not logical because this require long time to evolve this characteristic and the option C has more logic but it still not enough, because if the temperatures are colder more animals can die. I hope this help.
Answer:
Freshwater biomes are large areas consisting of plants and animals grouped around water with "less than 1% salt concentration." This includes lakes, rivers, ponds, streams, and some types of wetlands.
To contract and churn the food to break it down into smaller molecules
