BIOL 109: Chapter 14 - Copulation and Fertilization

terms and checkpoints

Which of the following describes a unique reproductive strategy used by some species of fish?

egg fertilization within the females mouth

select the number corresponding to the style that leads to the flower’s egg producing ovary

#2 - the style

What marks the end of the refractory in males

the ability to have another erection

a pluripotent cell can differentiate into any type of human cell

true

fertilization

oocyte (egg cell) meets with sperm cell

internal fertilization

method occurs inside female body

external fertilization

unfertilized eggs placed outside the body lead to sperm placed on eggs, and embryo develops outside of the body

dioecious plants

have separate sexes (all flowers on 1 plant produce sperm or eggs) - examples: asparagus, plum trees, holly bushes

Monecious plants

have male and female flowers on same plant - examples: zucchini

monotremes

lay eggs, internally fertilize

marsupials

internally fertilize - examples: opossum, kangaroos, koalas, wombats, wallabies

placental mammals

humans, nutrient dependent on placenta during development

select the sperm structure that contains many mitochondria

middle piece - collar

Which of the following statements is true about monotremes

they are mammals that lay eggs and nurse their young through specialized milk secreting pores

which of the following statements about contraception is true

the effectiveness of contraception methods can differ between typical use and perfect use

Which of the following statements about the reproductive process in flowering plants is true

animals, such as insects and birds, can act as pollinators to help plants reproduce

Based on sperm survival and egg fertilization times, when is the most likely timing for vaginal sex to result in fertilization

1-3 days prior to ovulation