Answer:
Tbh I don’t really know but I think it’s because the sperm has to fertilize one egg and then that egg separates into two, creating two IDENTICAL kids
Explanation:
Answer: No
Explanation: Exotic and invasive species are two types of non-native species, which are introduced to ecosystems by natural processes or humans. Most exotic species are domestic, and they do not harm ecosystems. But, invasive species are harmful to the ecosystems.
Answer:
The correct answer is -
1) 1st stage
2) 1st stage
3) 1st stage
4) 1st stage
5) 2nd stage
6) 2nd stage
7) 2nd stage
8) 3rd stage.
Explanation:
Labor has three different stages 1st (dilation), 2nd (expulsion), or 3rd (placental).
Stage 1st: It is the stage that starts with dilation of the opening of the cervix to 10 cm and contraction of the uterus.
Stage 2: in this stage fetus head moves to the cervix and gets into the birth canal of the mother.
stage 3. The placenta and umbilical cord expel from the mother and this is cut after the delivery.
Answer:
<h3>plant has cell wall but animals don't have </h3>
Answer:
B. hydrogen bond
Explanation:
The double helix is held together by hydrogen bonds between the bases
