SSA Review (Ecosystems)

Karla is reading about a type of single-celled microorganism that can live inside the human body. One harmless type lives in the intestines and helps the body digest food. Which type of symbiosis is Karla most likely reading about?

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

Rabbits born with the recessive trait of albinism lack pigment. A teacher shares the pedigree chart below to illustrate the inheritance albinism in a family of rabbits. He asks his students to analyze it. Which of the following statements can be concluded?

• Rabbit 3 must be shaded

• Rabbit 5 must be shaded

• Rabbit 6 could be shaded

• All rabbits in the first generation could be shaded

Tags

NGSS.MS-LS4-4

A scientist lists the characteristics of an organism that he is observing.

It is multicellular.

It has cell walls made of cellulose.

It makes its own food.

In which of these kingdoms should the organism be classified

• Animalia

• Fungi

• Plantae

• Archaea

Tags

NGSS.MS-LS4-2

Organisms can be grouped according to how similar they are to one another. Which list correctly shows the categories for sorting organisms from the largest group to the smallest group?

• domain, phylum, species

• genus, kingdom, species

• kingdom, domain, genus

• phylum, kingdom, domain

Charles Darwin’s theory of evolution describes how species evolve due to natural selection. Which of these is NOT evidence of natural selection

• Camels have long, bushy eyelashes

• Mint plant varieties are crossed to express desirable traits

• The snowshoe hare is white in winter and brown in summer

• Galapagos finches have stronger beaks after years of drought

Which of these statements best describes the connection between biodiversity and evolution?

• The more biodiversity an area has, the greater the chances of new species arising.

• If biodiversity is high, then more predation will take place, preventing species from evolving.

• Without a lot of biodiversity, organisms are more likely to survive, so they have more time to adapt.

• Evolution depends upon low biodiversity to keep population sizes down, which increases numbers of genes.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

An increase in carbon dioxide production has led to an increase in global temperatures, which is causing glaciers to melt faster. If this trend continues, how will animals living in the polar regions be affected?

• They will have to hibernate longer

• They will be easier targets for predators

• They will live in the water instead of on land

• They will either adapt, migrate to other areas, or become extinct

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-5

A new organism moves into an ecosystem and its major food source is the pine borer. Which animals in the food web will form a competitive relationship with the new organism?

• Fox and Hawk

• Kinglet and Fox

• Salamander & Kinglet

• Squirrel & Salamander

Tags

NGSS.MS-LS2-1

Imperial shrimp attach themselves to sea cucumbers for transportation. The interaction saves energy and improves food availability for the shrimp. The sea cucumber is not affected by the interaction. What type of interaction exists between the shrimp and the sea cucumber?

• commensalism

• competition

• mutualism

• parasitism

Tags

NGSS.MS-LS2-2

In the ocean, there are small fish that live in and around the mouths of large sharks. The shark benefits because the fish pick food and parasites from the shark's body. In return, the small fish benefit from food the sharks find. Which form of symbiosis exists between the sharks and the small fish?

• Commensalism

• Mutualism

• Parasitism

• Predation

Tags

NGSS.MS-LS2-2