quiz 1 bio 7

Vertebrates show more of this type of behavior.

• courtship

• innate

• learned

• trial and error

Some invertebrates have a(n) _______.

• bilateral symmetry

• endoskeleton

• radial symmtery

• exoskeleton

Which of these is the definition of an animal?

• A multicellular organism that is able to move to acquire other organisms for food, has a digestive system to break down food, and possesses sensory and nervous systems that are able to detect and quickly respond to a stimulus.

• A developmental stage of an embryo in which a single layer of cells is surrounded by a space filled with fluid.

• A multicellular eukaryote with cell walls made of cellulose that is capable of performing photosynthesis.

• A cut through the organism or object in the center from any plane or direction.

A skeleton on the outside of an animal is a(n) _________.

• radial skeleton

• exoskeleton

• extraskeleton

• endoskeleton

Most animals develop from what embryonic tissues? Select all that apply.

• mesoderm

• ectoderm

• exosderm

• endoderm

• ectoderm

A single layer of cells surrounded by a space filled with fluid is a(n) _________.

• coelom

• gastrula

• endoderm

• blastula

Invertebrates show more of this type of behavior.

• courtship

• learned

• innate

• trial and error

All vertebrates have a(n) _______.

• exoskeleton

• endoskeleton

• radial symmtery

• bilateral symmetry

An animal without a backbone is called a(n) ________.

• vertebrate

• exoskeleton

• invertebrate

• endoskeleton

What is animal behavior?

• a physical space that an animal will defend from another animal

• the movement of animals from one place to another, usually over a great distance

• anything an animal does as a response to a stimulus, or something happening in its environment

• a body cavity that most animal possess