Animals
ectotherm
also called cold-blooded
Definition: An animal whose body does not
produce much internal heat
Examples – reptiles, amphibians and fish
endotherm
Also called warm-blooded
Definition: An animal whose body controls &
regulates its temperature by controlling the
internal heat it produces
Examples: birds and mammals
vertebrate
Definition: An animal that has a backbone
Examples – fish, amphibians, reptiles,
birds & mammals
invertebrate
Def: An animal that does not have a backbone
Examples – jellyfish, worms, snails, crabs,
spiders, insects
exoskeleton
Definition: A waxy, waterproof outer shell
(outer skeleton)
Examples - arthropods
endoskeleton
Definition: An internal skeleton
Examples – cat, mouse, dog, human, gorilla
Functions of an Endoskeleton
1. Supports and protects the body
2. Helps give it shape
3. Gives muscles a place to attach
How are ectotherms and endotherms different?
Ectotherms need heat from their environment
while endotherms make and regulate their own
heat.
98.6
degrees
for humans
Why do animals compete?
They compete for limited resources such as:
food, water, space, shelter and mates
Example of competition
Lions stealing food from hyenas
What is a territory?
Definition: An area that is occupied and defended
by an animal or group of animals.
Maintaining
their territories:
1. Scratches
2. Droppings
3. Scents
4. Calls
A territory
supplies:
food & a
safe place to
raise young
Animals that provide little or no care
for their young
Fish
Amphibians
Reptiles
What do birds and mammals do for
their young?
Feed them
Protect them
Teach them survival skills (hunting)
One positive about living in a group
Protection from predators
What is a society?
A group of closely related animals of the same
species that work together for the benefit of
the whole group
Animals that live in a society
Ants
Termites
Honeybees
Animal Communication
Sounds
Body positions
Movements
Scent
Hibernation
Definition: state of reduced body activity that
occurs during winter months
Benefit: so they can survive the cold weather
migration
Definition: regular periodic journey of an animal
from one place to another and then back
Benefit: to find food
or to reproduce