Answer:
0 mya, 175mya, 250mya, 400mya
Explanation:
The substance which highest million year ago should be more in-depth in the soil hence 400mpa should occupy the highest depth below the ground.
Answer:
A pollen tube grows from the pollen grain into the ovary
Explanation:
Water is needed for fertilization in several plant groups because the sperm needs to swim to meet the non-motile eggs of the female organs.
<em>However in angiosperms, the pollen germinates and a structure known as pollen tube which contains the male gametophyte (sperm) grows into the ovary where the ovule is located and the male gametophyte is deposited in the ovule to initiate the fertilization process.</em>
<em>Hence, water is really not necessary for fertilization in the angiosperms.</em>
Answer:
the correct option is:
a. causing contractions of the uterine smooth muscle during childbirth.
Explanation:
The question is: what is oxytocin responsible for?
a. causing contractions of the uterine smooth muscle during childbirth.
Oxytocin is responsible, being this the correct answer.
b. prevents the formation of goiters.
Thyroid hormone regulates this process.
C. Prevent the release of insulin from the pancreas.
Hormones epinephrine and norepinephrine.
d. milk production by the mammary glands.
It is prolactin who is responsible for this process
e. regulating blood calcium levels.
They are the parathormone and calcitonin.
Thirty-five percent of the trees cut down are used to make paper. That means sixty-five percent of the trees cut down are used for something other than paper. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
The main function of DNA polymerase<span> is to make </span>DNA<span> from nucleotides, the building blocks of </span>DNA<span>. There are several forms of </span>DNA polymerase<span> that play a </span>role <span>in </span>DNA replication<span> and they usually work in pairs to copy one molecule of double-stranded </span>DNA<span> into two new double stranded </span>DNA<span> molecules.]</span>
