Senses
Skeletal System
Evolution
Ecology
Vertebrates
100

This is the colored part of the eye.

Iris.

100

New blood cells are found here.

Bone marrow.

100

What kind of structures is a human tail bone an example of.

Vestigial structures.

100

This area is very hot and very dry.

Desert.

100

This is the amount of chambers found in a fish heart.

Two.

200

This covering protects the part of the eye that is exposed to the outside world.

Cornea.

200

This tissue attaches bones to other bones.

Ligaments.

200

This is often described as survival of the fittest.

Natural selection.

200

This area is very dry and cold most of the year.

Tundra.

200

Are reptiles cold blooded or warm blooded.

Cold blooded.

300

The blind spot is a place where this structure attaches to the retina.

Optic nerve.

300

This joint allows bone to move in a 360 degrees rotation.

Ball and socket.

300

This is similar physical features in organisms that share a common ancestor, but the features serve completely different functions.

Homologous structures.

300

If an area only has enough food and water for 50 hippos then 50 hippos is.

The carrying capacity.

300

This species has fur or hair.

Mammals.

400

This focuses the light that enters into the eye.

Lens.

400

This protects the spinal cord.

Vertebrate.

400

These structures are features of different species that are similar in function but not necessarily in structure and which do not derive from a common ancestral feature.

Analogous structures.

400

Grazing animals would be found in high numbers in this biome.

Grasslands.

400

This animal can live in the most different types of climates and environments.

Mammal.

500

These sense receptors are found inside of the eye.

Photoreceptors.

500

This joint is found in the knees and elbows.

Hinge.

500

This is the kind of structure that the appendix in humans is an example of.

Vestigial structures.

500

This biome has shorter summers and longer winters and would have lots of pine trees in its forest.

Coniferous forest.

500

How many chambers are in a mammal heart.

Four.

M
e
n
u