Answer:
the climate has cooled
Explanation:
the cenozoic era was much warmer than it is today
Answer:
Energy
Explanation:
all of life relies on the sun. all living things need energy that the sun provides or will be effected by not having the sun.
Answer:
The correct answer is d) travels in the blood and has an effect on a remote tissue.
Explanation:
Hormones are released by the endocrine glands that are also known as ductless glands. These hormones circulate in the body by the help of blood because they are directly released in the blood which is needed for them to affect the distant target organ or tissue.
Neurotransmitter is different from hormones as they are released by the presynaptic nerve terminal of neurons in the space between two neurons called synaptic cleft from where it moves to the next neuron.
Therefore neurotransmitter is released from one neuron and received by another neuron. It is not directly released in blood to affect a remote tissue. So the right answer is d.
Spore production is the answer
Answer:
its a. fossil fuels may one day run out. i know cause i got it wrong
Explanation:i got it wrong