Science Quiz 1: Introduction to Reproduction

21). What are some of the ways organisms reproduce asexually?

* budding * fission * fragmentation

10). What are the disadvantages of sexual reproduction?

* takes time and energy * requires a mate

16). Reproductive cells are created by ?.

meiosis

8). The uniqueness of individual offspring for many animals and plants is the result of a process called ?.

meiosis

15). Identical duplicates of the mother cell are created by ?.

mitosis

3). What is the condition of having gametes of different sizes and shapes?

oogamy

2). These small motile gametes fertilize ovum.

sperm

20). Gametes that are motile are often called ?.

sperm

18). In many oogamous organisms, ? cells are produced in larger numbers that ? cells.

sperm, egg

22). Farmers cultivate many crops asexually because ?.

the crops are the same as the previous crops

5). A fertilized egg cell is called a(n) ?.

zygote

11). What is a disadvantage of asexual reproduction?

Disease and disorders are passed on.

6). A condition in which the gametes are similar in shape but different in size is ?.

anisogamy

19). Farmers looking to grow large quantities of food quickly would utilize plants that reproduce ?.

asexually

9). In some isogamous protists, the act of fertilization involves the transfer of genetic information. This function is called ?.

conjugation

17). The part of cell division that causes the separation of the cytoplasm is ?.

cytokinesis

13). After fertilization, an egg is ?.

diploid

7). In order to yield a ? chromosome condition, only one sperm can fertilize one egg.

diploid

14). What type of fertilization requires a great excess of egg and sperm gametes because most are wasted?

external fertilization

1). Which plant structure found in lower plants produces gametes?

gametangium

4). A generalized term for animal organs that produce sex cells is a ?.

gonad

12). Gametes are normally ?.

haploid