Mammals

Question 1

expanded into nearly every available niche and habitat from tropics to the polar region

Answer 1

Mammals

Question 2

mammals originated from

Answer 2

reptiles

Question 3

about how many species of mammals are endothermic? give 1 example

Answer 3

• 4,500
• birds

Question 4

birds are endothermic because the posses _

Answer 4

internal thermoregulating mechanism

Question 5

mammals characteristics that distinguishes them from other vertebrates

Answer 5

• milk glands
• oil glands
• sweat glands
• hair

Question 6

how many terrestrial mammals does the philippines have

Answer 6

174 species

Question 7

how many terrestrial mammals in the philippines are endemic?

Answer 7

111 (64%)

Question 8

how many terrestrial mammals are considered threatened?

Answer 8

51 (29%)

Question 9

how many species of cetaceans are there? name 3

Answer 9

• 22 species
• whales, dolphins, porpoises

Question 10

name the one and only species of sirenian in the philippines

Answer 10

the dugong

Question 11

what gland gave the mammals their common name

Answer 11

milk glands or mammary glands (which is only present sa mammals)

Question 12

mammary glands are always PAIRED, the number of pairs ranging from _ to _

Answer 12

1 to 13

Question 13

give the other name of the capitalized word/s

mammary glands are allied to SWEAT GLANDS and OIL GLANDS which are commonly found on parts of the body

Answer 13

sweat -> sudoriferous
oil -> sebaceous

Question 14

3 positions of the mammary glands

Answer 14

• pectoral (chest area)
• abdominal (abdomen)
• inguinal (lower part of torso, near the groin)