General Exam 1 Content Flashcards
heterothermic
body temp changes based on surroundings
homeothermic
body temp stays the same
oviparous
lays eggs
viviparous
live birth, has a placenta
ovoviviparous
holds eggs internally while they hatch, then gives birth
6 basic nutrients
protein
fats
carbohydrates
vitamins
minerals
water
what are proteins made up of?
amino acids, 10-12 essential
function of fats
deliver fat-soluble vitamins
do fats or carbohydrates produce more energy?
fats
what is energy supplied by
fats, carbohydrates and proteins
digestive tract
mouth (salivary enzymes)
esophagus
stomach (acid, enzymes, storage)
small intestine (absorption)
pancreas
liver
gall bladder (bile production to break down fats)
large intestine (storage)
rectum (feces storage
*characteristics of amphibians
skin without scales
heterothermic
three chambered heart
fresh water and terrestrial
reproduction of amphibians
oviparous: lay eggs
*characteristics of reptiles
don’t go through metamorphosis
heterothermic
almost all have three-chambered heart
body covered with scales
air-breathing
terrestrial (secondarily aquatic)
reproduction of reptiles
mostly oviparous
some (snakes) give birth to live young (ovoviviparous)
eggs are able to incubate outside of water due to shell
internal fertilization