Life Sci Ch 1 Test Review: Biomes & Adaptations

____ are behaviors or physical structures that help an organism to survive, reproduce, and grow in its environment.

• Biomes

• Roots

• Nocturnal

• Adaptations

A _____ is an area of land or water that has certain kinds of living and nonliving things.

• Camouflage

• Biome

• Adaptation

• Nocturnal

Leaves, bark, roots, stems, and flowers are external ______ of plants.

• Structures

• Behaviors

Plants on the floor of a tropical rainforest have wide leaves in order to...

• Grow large

• Take up area

• Take in sunlight

• Absorb water

Whales and sea lions have a layer of ____, or fat, under their skin to help keep them warm.

• Gills

• Fur

• Blubber

• Beaks

Polar bears and arctic foxes have thick ___ to keep them warm.

• Blubber

• Gills

• Fur

• Spines

Many desert animals are ___, meaning they sleep during the day and are active at night.

• Camouflage

• Nocturnal

• Migrating

• Adaptations

In a savanna grassland, giraffes have long ___ so they can reach a lot of food sources that other animals can't reach.

• Necks

• Stems

• Fur

• Beaks

Blending in with the environment is called ___. Imitating another living thing is called ____.

• Mimicry, Camouflage

• Camouflage, Mimicry

• Hiding, imitation

• Staying hidden

Desert plants may have external structures called ____ to protect them from thirsty animals.

• Blubber

• Gills

• Spines

• Roots