Answer:
they can naturally interbreed to produce a fertile offspring
Krebs cycle xxxxxxxxxxxxx'xxxxxx
Answer:
Photosynthesis produces glucose and oxygen. These are things that are needed by humans so that we can breathe, which is how humans make energy so 5hat we can do everyday things like walking and running. Without photosynthesis, the human race wouldn't be able to survive.
The correct answer is letter b. adrenaline secreted by the adrenal glands.
The heart pumps harder and blood pressure rises during a fight-or-flight response. This response is due to adrenaline secreted by the adrenal glands. Adrenaline is <span>a substance that is released in the body of a person who is feeling a strong emotion.</span>
