11. Parenteral Behavior

Question 1

Animal?

Maternal care more common

Concentrate on parental care

Answer 1

Dam

Question 2

Animal?

Paternal behavior is rare
Concentrate on mating

Answer 2

Sire

Question 3

(2) Categories of Offspring Production

Answer 3

1. Altricial
2. Precocial

Question 4

● Offspring born or hatched at an early
stage of development.
● Still needs to undergo fetal development after
birth

Examples:
1. marsupials
2. monotremes

Answer 4

Altricial

Question 5

● Offspring born or hatched during advanced stage of development

Examples: domestic animals

Answer 5

Precocial

Question 6

Altricial animals:

● Presence of pouch with mammary gland
● Carry young in pouch and back
● Koala, kangaroo, opossum

Answer 6

Marsupials

Question 7

Altricial animals:

● Produce young that are born at an even earlier stage of development than those of
the marsupials - AS EGGS
● Lay eggs, incubate it, and when hatched, the offspring still needs to develop
● Spiny anteater, duck-billed platypus

Answer 7

Monotremes