Introduction of Animals

A _______ exchanges oxygen and carbon dioxide in water.

• lung

• gill

• filter

A___________ is an organism that lives in or on another organism, gets food from that organism, but does not help that organism’s survival.

• cell

• amoeba

• parasite

A snail is a type of animal has a __________.

• limb

• mantle

• gill

All animals have _____________.

• nerve cells

• backbones

• fur

An animal that does not have a backbone is a(n) _____________.

• vertebrae

• spineless

• invertebrate

An essential characteristic of an adaptation is that it is________.

• useful

• helpful

• funny

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

An inherited trait that increases a species’ chances of survival is an _______.

• abbreviation

• alteration

• adaptation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

During ____________ the body form of an organism changes as it grows.

• symmetry

• metamorphosis

• adaptation

Humans belong to the _____________ group.

• bilateral symmetry

• asymmetry

• radial symmetry

Humans belong to the _______

group of _________.

• mammal, vertebrates

• mammal, invertebrates

Tags

NGSS.MS-LS4-2