level 2 B

Question 1

What is the definition of sexual reproducation?

Answer 1

= production of new individual by the joining of gametes to form
a cell (zygote) by the process of fertilization.

Question 2

describe internal and external (sexual) reproduction in animals

Answer 2

external: eggs and sperm are floating around

internal: sperm is directly transfered

note: there is also self-fertilization

Question 3

Why are clownfish weird

Answer 3

sequential hermaphrodism
-dudes become girls

when a main femal dies in the family, the most dominant guy becomes thne girl

Question 4

is conjugation sexual? also what is conjugation?

Answer 4

two organisms fuse along a common surface &
exchange genetic material (gene transfer ——> genetic variation)

+/-
donor/recipient

Question 5

can paramecium use sexual+asexual?

Answer 5

yes. binary fission and conjugation

Question 6

do viruses reproduce

Answer 6

no

Question 7

viroids

Answer 7

lack protiens
RNA viroids do not code for any protiens

Question 8

Prions

Answer 8

non-living protiens
lack hereditary materials
madcows disease