CA#4 Test Corrections

Use the dichotomous key to identify which picture best represents Camarhynchus​ (a)  

• Bird Z
• Bird X
• Bird Y
• Bird W

Tags

NGSS.MS-LS4-2

Crickets communicate with other crickets by chirping. Crickets who cannot make a sound are less likely to find a mate and reproduce. For this reason, there are few crickets that cannot make a sound. This is an example of

-- Choose the correct answer --

​ (a)  

• Natural Selection
• Learned Behavior
• Selective Breeding
• Genetic Relication

Tags

NGSS.MS-LS4-4

Mice can produce a litter of offspring as often as every 20 days. An elephant can produce one offspring every two years.

Which of the following BEST describes the advantage of having fewer offspring?

• There are fewer offspring for hungry predators to eat

• Parents can pay more attention to each offspring

• Offspring receive only the best traits and adaptations

• Only one offspring will increase it's survival rate

Tags

NGSS.MS-LS1-4

A spiny cactus is growing very successfully in an Arizona desert. This plant has made adaptations to its native environment that make it successful in harsh conditions. Three adaptations that the spiny cactus has are —

• broad leaves, deep roots, and sharp spines

• waxy leaves or pods, and sharp spines to preserve moisture, a large shallow root system

• sharp spines, lots of small leaves that taste bad, and deep roots

• large, shallow root system, sharp spines, thick trunk

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Rabbits in most areas have a brown coat. The arctic hare has a bright white coat in winter. The process by which a species becomes fitted to its environment is called ___________.

 

• Adaptation

• Camouflage

• Survival of the Fittest

• Mimicry

Tags

NGSS.MS-LS4-4

Some blue-green algae contain gas vacuoles, or storage compartments, that allow them to adjust the amount of air inside their cells. How does this internal gas vacuole benefit these organisms?

• It allows these organisms to rise to the surface of bodies of water to receive more sunlight when needs

• It allows these organisms to extract oxygen from these vacuoles for photosynthesis

• It allows these organisms to sink to the bottoms of bodies of water to make food on a sandy floor

• It allows these organisms to fly out of the water and colonize barren land.

Tags

NGSS.MS-LS1-2

The picture below shows what veins look like in a human leg. These veins have valves that open and close.

How could the adaption of valves in leg veins allow a human to better survive in its environment?

• Valves prevent blood from running backward, away from the direction of the heart.

• Valves stir the blood to remove toxins

• Valves allow blood to pool and stay stored

• Valves take carbon dioxide out of the blood, so the blood returns to the clean heart

An acorn is a seed. Its shape is very different from the shape of a dandelion seed.

 

Which TWO statements describe advantages of the shape of the acorn?

• The acorn is more likely to stick to animal fur

• The acorn is likely to attract hungry animals.

• The acorn can be blown to a better growing location

• The acorn stores more materials to help it start growing

Tags

NGSS.4-LS1-1

What is the favorite professional sports league of both the adults and Gen Z?

• MLB

• NBA

• NHL

• NFL

Put the sports leagues in order from the least favorite to the most favorite according to Gen Z.

• MLS

• NHL

• MLB

• NFL

• NBA