(R) 5.10A Science STAAR (Adaptations)

Front

Which two traits best help a cactus conserve water in the dry conditions of a West Texas desert ecosystem?

Back

Sharp spines and waxy stems

Front

Which bird most likely catches and eats its food the way an eagle does?

Back

Front

Ocotillo plants are better adapted for surviving in the desert than maple trees because the characteristics of ocotillo leaves---

Back

reduce the amount of water lost through evaporation

Front

Both kangaroos and spider monkeys use their tails primarily for----

Back

supporting and balancing their body

Front

How do structures such as whiskers and antennae benefit organisms?

Back

They help the organisms detect their surroundings.

Front

Some animals, such as lions, have pointed teeth, while other animals, such as cattle, have flat teeth. The difference in the shape of these animals' teeth is most closely related to---

Back

the type of organisms the animals consume

Front

The shells of sea turtles are flatter than the shells of land turtles. Sea turtles are also different from land turtles because sea turtles cannot pull their head or limbs into their shell to protect themselves from predators. Instead, the head, shell shape, and flippers of sea turtles help them escape from predators mainly by allowing them to---

Back

swim and dive easily

Front

Based on observations of the pictures of these animals, which statement describes an advantage that only one of these animals has in obtaining food? The Thomson's gazelle has a body shape that allows it to run faster when chasing prey. The Thomson's gazelle has horns that can be used to move tree branches out of the way to reach food. The gerenuk has a sharp, pointed nose for detecting the scent of predators. The gerenuk has a long neck that allows it to reach high to eat from trees.

Back

The gerenuk has a long neck that allows it to reach high to eat from trees.

Front

Which fish has mouth structures that allow it to eat algae by taking large bites of the hard coral on which the algae grows?

Back

Parrotfish

Front

What is the primary role of the air trapped in the down feathers and fur of newly hatched chicks and Arctic foxes?

Back

provide a layer of insulation to help control body temperature