What is an Animal?

Describes an animal that lacks a backbone.

• vertebrate

• invertebrate

• chordate

• vertebrae

Long supporting rod that runs through the body just below the nerve cord is the...

• pharyngeal pouches

• vertebrae

• notochord

• dorsal hollow nerve cord

Fish, amphibians, reptiles, birds, and mammals are all chordates that are also...

• invertebrate

• notochord

• vertebrate

• vertebral column

All ______ have a dorsal hollow nerve cord during one stage of their lives.

• invertebrates

• chordates

• vertebrates

• notochord

Which is NOT a characteristic of animals?

• They are heterotrophs.

• They are multicellular.

• Their cells contain a nucleus.

• Their cells have cell walls.

Which body system do animals use to eliminate waste, such as ammonia?

• digestive system

• nervous system

• musculoskeletal system

• excretory system

The nervous systems of complex animals gather information using cells called

• pharyngeal pouches.

• receptors

• nerves

• notochord

Tags

NGSS.MS-LS1-3

Chordates have all the following characteristics during at least one stage of life EXCEPT:

• notochords

• pharyngeal pouches.

• cell walls.

• tail

Tags

NGSS.MS-LS4-2

The acquisition of nutrients and their distribution to body systems is a function of the

• digestive and circulatory systems.

• respiratory and circulatory systems.

• excretory and circulatory systems.

• respiratory and digestive systems.

Tags

NGSS.MS-LS2-3

Which of the following is a characteristic of all chordates but is not found in invertebrates?

• a notochord

• four legs

• a circulatory system

• a skeleton