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Select 6 that apply. What are some of the ways in which humans have tried to help stop the decline of animal species? A)set aside land to be preserved for animals B)created endangered species lists C)stiff fines and imprisonment for caught poachers D)prom...

The animals having backbones are called _____. vertebrates strong invertebrates complex simple

A caudal fin is a _____. wing tail vertebrae gill lung

Deforestation A)people who hunt or fish illegally B)to kill off entirely; to make extinct C)the destruction and removal of the forests D)put an end to; did away with E)put in danger; seriously threatened

When an animal sleeps through hot weather it is called _____. hibernation appendage visceral estivation radial

_____ symmetry is exhibited by all vertebrates. Simple Circular Radial Bilateral Composed

Toxin A)a worm-like amphibian that burrows in the soil B)a change in physical form and structure due to maturity C)a juvenile form of an animal D)a poison produced by an organism E)to produce and give off a substance

Certain tree frogs in South America actually secrete a powerful _____ from their skin. larva toxin gill space vitamin

Frogs and Toads need _____ for reproduction. toxins larva water space gills

Gills A)a fin that is a fish's tail B)made of cartilage, which is a strong, elastic connective tissue C)rounded, like something swollen D)a deep sea fish with a skeleton of cartilage E)organs for breathing underwater, consisting of membranes through which...

Invertebrate A)having a repeating pattern which stretches outward from the center B)an animal having no backbone C)the rear; toward the rear D)sameness, balance, or harmony as a result of a repeated pattern E)an animal having a backbone

Posterior A)having a repeating pattern which stretches outward from the center B)having to do with the front side (or bottom) C)an animal having a backbone D)sameness, balance, or harmony as a result of a repeated pattern E)the rear; toward the rear

An arm and a leg are also called: sticks locomotives appendages essentials mobility tools

Arthropod A)an ocean invertebrate having spiny skin B)an invertebrate animal that has tentacles around its mouth C)an outer covering that supports the soft inner tissues in an arthropod D)an animal having no backbone E)an invertebrate animal with jointed...

There are over _____ species of reptiles. 50,000 20,000 10,000 7,000 25,000

Dorsal A)the back side; toward the back (or top) B)the rear; toward the rear C)the front side; toward the front D)two-sided E)the ability to move from place to place