Chapter 4 - Sexual reproduction

Question 1

Fertilization

Answer 1

when sperm fertilizes an egg

Question 2

gametes

Answer 2

Sperm (male) and egg (female) are special reproductive cells

Question 3

zygote

Answer 3

Fertilization results in a new cell called a zygote. This then divides to form a new individual.

Question 4

mitosis

Answer 4

when cells split into two making identical cells, growth and re-pair

Question 5

meiosis

Answer 5

occurs in reproductive organs, each gamete splits into four cells, all different from one another.

Question 6

male reproduction

Answer 6

testes produce sperm, then passes through the sperm duct

Question 7

female reproduction

Answer 7

ovaries make egg cells, then pass down the fallopiantube

Question 8

External fertilization

Answer 8

fertilization happens outside the body, mostly in water animals as the spern doenst dry

Question 9

internal fertilization

Answer 9

fertilization happens inside the body, usally land animals as sperm may dry. Copulation is the act of sex .

Question 10

Embryo

Answer 10

A seed is a capsule containing a new plant, called an embryo.