Match the titles on the left to the correct definition on the right.
Structure
The job that a structure performs that helps the organism survive
Adaptation
The sequence of stages or changes in the life of an organism
Life cycle
A physical feature, like the shape of a body part, of an organism
Function
A structure or behavior that helps an organism live and survive in a specific environment
The prickly pear cactus can be found in South Texas. Which characteristics makes it suitable for living in the dry South Texas climate?
The spines of the cactus attract animals.
The flowers attract many bees.
The cactus has a long root system.
The flowers on top of the cactus continually bloom.
Which statements describe the life cycles of both plants and insects?
Select TWO correct answers.
Only plants have stages in their life cycle.
Only insects have stages in their life cycle.
Both grow larger over time.
Only mature adults can reproduce.
The racoon can be found in most areas of Texas. The coati has a smaller territory and is found from Big Bend to Brownsville. These two species are related. The chart shows the characteristics of these two species.
Which statement does NOT describe how the body structures of these animals help them escape predators?
Good eyesight helps them to see at night.
Long tails allow them to balance on branches in trees.
Sharp teeth allow them to catch prey on land or in water.
Paws with long claws on flexible toes help them climb trees.
The leaves of two types of plants that live in different environments are shown in the pictures.
The leaves of both plants have different structures. What differences in the structure of the leaves of these plants likely help them survive in their environments?
The pan-like shape of the giant water lily leaves helps them catch rainwater. The slim shape of the mesquite leaves helps them avoid sunlight.
The broad shape of the giant water lily leaves helps them stay on the water surface. The slim shape of the mesquite leaves helps them prevent water loss.
The pan-like shape of the giant water lily leaves helps them attract small fish. The slim shape of the mesquite leaves helps them avoid herbivores.
The broad shape of the giant water lily leaves helps them attract aquatic birds. The slim shape of the mesquite leaves helps them attract pollinators.