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Animal Kingdom SG 1

Animal Kingdom Study Guide Part 1

An _____________ is a many-celled eukaryotic organism that must find and digest food. animal
What are 3 characteristics all animals must have in common? they have many eukaryotic cells; they get energy form eating other organisms; they digest their food
An _______________________ is an animal without a backbone. invertebrate
What are two examples of invertebrates? sponge and jellyfish
An ________________________ is a thick, hard outer covering that protects and supports an animal's body. exoskeleton
A __________________________ is an animal with a backbone. vertebrate
What are 2 examples of vertebrates? fish and humans
A ____________________ is an animal that has a notochord, a nerve cord, tail, and structures called pharyngeal pouches at some point in its life. chordate
A ____________________ is a flexible, rod-shaped structure that supports the body of a developing chordate. notochord
_______________________ is the arrangement of the body parts of an animal. symmetry
_____________________________ is when body parts of an animal are arranged in a circle around a central point. radial symmetry
_______________________________ is when body parts are arranged in the same way on both sides. bilateral symmetry
_____________________________ is when the animal's body has no definite shape. asymmetrical symmetry
MOST animals reproduce _____________________. sexually
In ________________________ _________________________, the genetic material from two different cells -a sperm and egg- combine, producing an offspring. sexual reproduction
The ______________ are the male reproductive organs that produce the sperm for animal reproduction. testes
The ______________ are the female reproductive organs that produce the eggs for reproduction. ovaries
_____________________________ is the joining of the egg and sperm. fertilization
The cell formed during fertilization is called a _______________. zygote
Created by: dancer2024