Exam 5

Question 1

What are the advantages of asexual reproduction?

Answer 1

asexual reproduction maintains a stable environment

Question 2

what are the 3 layers form in gastrulation?

Answer 2

ectoderm-outer
mesoderm-middle
endoderm-inner

Question 3

sperm is made in where in the male reproductive system?

Answer 3

testes- seminiferous tubules

Question 4

prostate surrounds what tube

Answer 4

urethra

Question 5

ovaries are how big

Answer 5

almond

Question 6

fertilization usually occurs in what area of the female reproductive system

Answer 6

oviduct

Question 7

sperm must meet the egg how many hours after ovulation to allow fertilization to occur

Answer 7

12

Question 8

why does the uterus thicken during menstrual cycle

Answer 8

uterine lining thickens in preparation for pregnancy

Question 9

corpus luctuem helps the pregnancy succeed because

Answer 9

forms and secretes estrogen and progesterone

Question 10

menopause starts at what age

Answer 10

around 51

Question 11

what happens to the egg after the sperm penetration the egg to allow no more sperm to enter

Answer 11

egg changes so that other sperm can penetrate the egg

Question 12

HPV causes what symptoms

Answer 12

most frequent is no symptoms at all; warts of various kinds and in various areas

Question 13

what day does the blastocyst implant into the uterine wall after fertilization

Answer 13

6th day

Question 14

how many extraembryonic membranes develop during pregnancy

Answer 14

4

Question 15

neurocord and notocord form during what week

Answer 15

week 4

Question 16

full term of a baby is how many weeks

Answer 16

38

Question 17

what are some things women should avoid while pregnant

Answer 17

alcohol, caffeine, smoking, some medication, addictive drugs

Question 18

why is partial birth abortion considered more cruel

Answer 18

Partial birth abortion is considered more cruel because the abortionist starts to deliver the baby and then kills it. This can happen because partial abortions happen within the second and third trimester, meaning that the baby is almost fully developed

Question 19

Why do some animals have large amounts of offspring and others have low amounts of offspring (relates to survivorship patterns)?

Answer 19

Some animals have large amounts of offspring and others have low amounts of offspring because some offspring just don’t have very good chances of surviving. If an animal only has one offspring, there must be a good survival rate for that offspring

Question 20

Why is carrying capacity important for US Fish and Wildlife to know

Answer 20

The resources in any given environment can support only a certain quantity of wildlife

Question 21

How do you think we should handle current problem with the human population growth and preparing for the future (crops ideas, reproduction laws, etc)

Answer 21

I definitely don’t feel like there should be reproductive laws, but I think that if people were educated on the state of the world currently, more people might choose not to have so many kids. One of the most basic things would be to eliminate food waste. Another way would be to increase urban agriculture. A lot of urban spaces have the potential too be used for agricultural purposes, but they have not been transformed to do so

Question 22

Why is predator/prey situation good for both species

Answer 22

Predators rely on prey as their main food source. As the prey is reduced by predators, prey does not have to fight with other prey to maintain their resources in the environment

Question 23

Why are keystone species important

Answer 23

Keystone species maintain diversity within an environment. They are generally a critical part of the food web because they predators that provide resources to other animals and create balance within an ecosystem