NJASK Science
Preparation Assignment
Name: Kyle T
Date: 4-5-11
Chapter 4: Diversity of Living Things
1. Read the packet, pgs. 81-96. This is an excellent overview of all the topics on this section of the
NJASK.
2. Complete the following banks of questions and record your answers below.
Pg. 86- Skills Activity 1
1. D
2. D
3. A
4. B
5. They always have internal fertilization and internal development, no matter what the environment is.
Pg. 87 – Question Set 1
1. B
2. C
3. D
4. C
5. C
6. D
7. 23. This is because the sperm and egg cell go together to produce a new organism. Half the genes
come from the sperm and half come from the egg. So they take 23 and 23 to make 46.
8. 8. The fruit fly would have twice as many chromosomes as the sperm cell because each organism
carries half of its total amount in its sperm and egg so when they reproduce the offspring has the same
number of chromosomes as them.
9. Because if it had the same number as the body, for example the fruit fly, the offspring would get 16
chromosomes and who knows what it would look like.
NJASK Science
Preparation Assignment
Name: Kyle T
Date: 4-5-11
10. Because asexually there is only one parent, so the offspring can only get the same genes as that
parent. Sexually, though, there are two parents and the offspring can have a combination of genes from
the father and mother.
11. Asexually- a cell is dividing.
12. It is exactly the same because there is only one parent to get genes from.
Pg. 93- Skills Activity 2
1. B
2. It doesn’t support his theory. Just because their mind inherited this patter, it doesn’t mean that the
child will inherit it because for it to inherit the gene it has to be in the sex cell too.
3. The trait allowed them to survive better so the future generations learned it.
Pg. 94 – Question Set 2
1. B
2. B
3. C
4. B
5. D
6. C
7. C
8. C
9. Brown eyes because this trait is one he has had all his life and not learn or gotten.
10. Through mutations that can either be beneficial, harmful or neither.