BSCS- CH 3

Having a very high birth weight or a very low birth weight increases the mortality rate of human babies. What type of selection may occur over time?

• directional selection

• disruptive selection

• stabilizing selection

• artificial selection

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

A fire has wiped out the vegetation that produces medium sized seeds. As a result, the finches left can feed on seed that are available in two sizes: small and large. What type of selection is likely to take place in this population?

• directional selection

• disruptive selection

• stabilizing selection

• artificial selection

In Canada, the people have overfished the salmon in a particular river. They catch the larger salmon and throw the smaller salmon back into the river. Over time, what type of selection is likely to take place?

• directional selection

• disruptive selection

• stabilizing selection

• artificial selection

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

In a forest in Germany, there is a rat who has three fur coat colors: a light creamy color, a medium tan color, and a dark brown color. In this particular forest, the floor is a medium brown and the intermediate tan color mouse is better camouflaged.

• directional selection

• disruptive selection

• stabilizing selection

• artificial selection

In interglacial periods in Europe, black bears body sizes got smaller. In the glacial periods in Europe, black bears body sizes got larger. What is this type of selection?

• directional selection

• disruptive selection

• stabilizing selection

• artificial selection

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Who is most closely related to Taxidea taxus?

• Lutra lutra

• Panthera pardus

• Canis latrans

• Canis lupus

Tags

NGSS.MS-LS4-2

Which of these animals does not have/produce an amniotic egg?

• Turtle

• Leopard

• Lamprey

• All three of these animals produce the amniotic egg

Which group of animals on this tree are most closely related to birds?

• Saurischian dinosaurs

• Ornithischian dinosaurs

• Crocodiles

• None of these are related to birds

Tags

NGSS.MS-LS4-2

If a plant has vascular tissue but no seeds, which of the four plant groups here would it fall into?

• Ferns

• Cone-bearing plants

• Mosses

• Flowering plants

A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?

• behavioral isolation
• temporal isolation 
• gametic isolation
• geographic isolation 

Tags

NGSS.HS-LS4-4