Answer: D. Extinctions occur at higher rates during times of ecological stress when populations and species are poorly adapted.
The toxins would enter through the Xylem.
Answer: the proper number of chromosomes.
Explanation:
Answer;
The nucleus.
Explanation;
-The nucleus is the cell organelle whose function resembles the function of the brain in higher animals.
-The Nucleus is the largest organelle in a cell. It contains a dense structure called the Nucleolus and is surrounded by the Nuclear Envelope.
-It stores the cell's hereditary material, or DNA, and coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction, just like the brain which controls or the activities of a higher organism.
Answer:
Cellular Respiration
Explanation:
Respiration = Glucose + Oxygen -> Water + Carbon Dioxide
