Animal Body Plans and Plant Review

The similarity or balance among body structures is called ____.

• ectoderm

• the evolutionary tree

• cephalization

• symmetry

What organ shown here has four-chambers?

• septum

• gut

• heart

• liver

Which of the following does not describe a primary function of hair?

• sensory device

• waterproofing

• insulation

• movement

Animals that feed on both plants and other animals are called ____.

• insectivores

• omnivores

• carnivores

• herbivores

Which of the following is not a beneficial result of a highly developed cerebrum?

• squirrels' balance and coordination

• mother fox teaching young survival skills

• mice remembering layout of habitat

• mother tiger teaching young to hunt

What are two similarities of mammal and bird circulatory systems?

• four-chambered heart; separate oxygenated and deoxygenated blood

• two-chambered heart; capillaries

• four-chambered heart; blended oxygenated and deoxygenated blood

• two-chambered heart; lack capillaries

This hummingbird has what kind of body design?

• mesodermic symmetry

• bilateral symmetry

• radial symmetry

• asymmetry

How do scientists mark the branching points of animal evolution?

• anatomical features

• habitat changes

• population growth

• eating habits

Why is the flatworm considered an acoelomate?

• has multiple body cavities

• lacks a body cavity

• has no ectoderm

In protostomes, the ____ develops from the opening in the gastrula.

• anus

• nervous system

• mouth

• tail