Chapter 12

Question 0

Amnion

Answer 0

In mammals the fluid filled sac enclosing the embryo (later a fetus)

Question 1

Altricial

Answer 1

Third are blind and nearly naked when hatched and are dependent on their parents for warmth, food and protection for several weeks

Question 2

Amniote eggs

Answer 2

Eggs are produced by reptiles and birds with features including an outer shell, a series of internal membranes that enable these eggs to be laid for embryonic development to occur in terrestrial environments

Question 3

Bird pollinated

Answer 3

Refers to the flowering of plants for which the transfer of pollen to other flowers of the same species occurs through the agency of birds

Question 4

Bower

Answer 4

structure constructed by native Australian bowerbird that forms an essential part of the display of male bowerbirds in attracting females

Question 5

Breeding season

Answer 5

The period when mature members of the animal population have sleep and eggs ready to release and fertilise

Question 6

Broadcast spawning

Answer 6

Release of eggs and sperm into the external environment by groups of fish

Question 7

Colonial

Answer 7

Refers to a few to many single called organisms living in a single colony

Question 8

Deferral

Answer 8

Describes eggs that do not float in the water, eggs are guarded and placed in a nest

Question 9

Dessication

Answer 9

Drying out

Question 10

Fecundity

Answer 10

Jeffers to the number of eggs produced by an animal species in one breeding season, fecundity is said to be high when the number of eggs is high

Question 11

Harem polygyny

Answer 11

Situation in which one dominated male in a group of mates with each mature females in that group during one breeding season

Question 12

Induced ovulation

Answer 12

Ovulation occurring as a result of mating, induced ovulation contrasts with spontaneous ovulation

Question 13

Insect pollinated

Answer 13

Refers to the flowering of plants for which the transfer of pollen to other flowers of the same species occurs through the agency of insects

Question 14

Invertabrae

Answer 14

Any animal that lacks a backbone

Question 15

K section

Answer 15

Refers to species that breed lass frequently and has less offspring in which general greater parental care is invested

Question 16

Lek

Answer 16

Area in which a number of males gather for the purpose of displaying to females

Question 17

Leaking

Answer 17

The gathering of males in one area for the purpose of displaying to attract females

Question 18

Marsupials

Answer 18

Type of mammal that gives birth to a very undeveloped embryo like young, generally have a pouch

Question 19

Mass spawning

Answer 19

Refers to spawning when large numbers of fish gather in one location and in synch release their sperm and eggs into the external environment

Question 20

Mating season

Answer 20

Breeding season for animals with internal fertilisation

Question 21

Menstrual cycle

Answer 21

Kmonthly cycle under hormonal control that occurs in sexually matured females and involves egg transformation and release and release and preparation for pregnancy

Question 22

Monogamy

Answer 22

Situation in which animals form a pair bond and one male mates with one female for one or more breeding seasons or for life

Question 23

Oestrous cycle

Answer 23

Refers to the cycle of egg production in female mammals and depending on the species, there may be one or more cycles during a year

Question 24

Oestrus

Answer 24

Period of sexual receptivity in female mammals sometimes termed being in heat

Question 25

Oviparity

Answer 25

Mode of reproduction in which embryonic development occurs outside the the mothers body but within an egg that provides nutrition from the egg yolk

Question 26

Oviparous

Answer 26

describes animals that lay eggs from which young hatch after laying

Question 27

Pelagic

Answer 27

Refers to eggs that are free floating in water

Question 28

Placenta

Answer 28

Organ that permits a exchange of materials between the blood of the mother and her fetus

Question 29

Pollination

Answer 29

Transfer of pollen from anther to stigma

Question 30

Polyandry

Answer 30

Females have multiple male partners in a breeding season

Question 31

Polygamy

Answer 31

Situation in which one female or one male has many oartners during a breeding season

Question 32

Polygyny

Answer 32

One male has many female partners during a breeding season

Question 33

Precocial

Answer 33

Birds that are covered in down cans stand are able to stand and fend for themselves and feed when they hatch even though they cannot fly

Question 34

R selection

Answer 34

Large number of offspring with little to no care

Question 35

Reproductive strategies

Answer 35

Contrasting modes of reproduction that commit energy to either very large numbers of offspring with very little to no care or small number of offspring with large amounts of parental care

Question 36

Sedentary

Answer 36

Refers to populations whose members breed and feed over a small area

Question 37

Serial polygyny

Answer 37

Situation in which one male one male displays and attracts passing females in turn for mating

Question 38

Spawning season

Answer 38

Period of the year during which fish and other aquatic organisms release their eggs and sleep into the external environment

Question 39

Vectors

Answer 39

Refers to insects or other plants that carry pollen form one flower to another of the same species

Question 40

Vertabrae

Answer 40

Animal with a backbone

Question 41

Viviparity

Answer 41

Mode of reproduction in which embryonic development occurs within the mothers body, with young being born as miniature adults

Question 42

Viviparous

Answer 42

Describes animals that give birth to live young

Question 43

Wind pollination

Answer 43

Refers to flowering plants for which the transfer of pollen to other flowers of the same species occurs through the agency of wind

Question 44

Zooplankton

Answer 44

Small free floating organisms living in the ocean that include the larvae of fish and other aquatic species