Spring 1
Name a reason why some animals show aggression.
claim food/territory, maintain dominance, claim mates
When some animals get hot, they will pant to release some heat from their bodies. This an example of a __.(*Not instinct)
reflex
Chelicerates are a category of __ that have 2 body segments and 8 legs. (*Spider is NOT the answer)
arthropod
A bird doesn't have to be taught how to build a nest. It is __ for it do so.
instinct
Name the strange looking monotreme found in Australia.
duck-billed platypus
When insects shed their exoskeletons, which leaves them looking exactly like their former selves except bigger, this demonstrates ___ metamorphosis.
Incomplete
This echinoderm uses its many tube feet to pry open mollusk shells.
starfish
Lizards must sun themselves because they can't control their body heat. They are __.
ectothermic
An ___ is a rigid outer covering that supports an animal from the ouside.
exoskeleton
In complete metamorphosis, what is the resting stage called?
pupa / cocoon
Examples of cartilaginous fish include rays and __.
sharks
The o'possum is a ____ which has a pouch to carry its young.
marsupial
Reptile skin __ which is opposite of amphibian skin.
dry, scaly
Vertebrate skeletons are always made of ___.
living cells
Jawless fish include lampreys and ___.
hagfish
Flatworms are a good example of ___ symmetry.
bilateral
All vertebrates have skulls, backbones, and ___.
endoskeletons
Lobsters are invertebrates because it has no __.
backbone
Birds are unique because they ___.
have feathers.
Choose the amphibian: lizard, salamander, snake, tortoise
salamander
Corals and sea anemones belong to the class of phylum _____.
Cnidaria
Are spiny worms a major group of worms? Y/N
No
The symmetry of jellyfish is ___ because of the rays extending from its body center.
radial
Birds are ___ because they can regulate their inner body temperatures.
endotherms
95% of animals are ____.
invertebrates