Science Milestone Review

Why are microorganisms important?

• Some produce oxygen.

• Some are food sources for other organisms.

• Some are nutrient recyclers.

• All of the reasons are correct.

Tags

NGSS.MS-LS2-3

Which of the following microorganisms can cause disease?

• diatoms

• tardigrades

• salmonella

• plankton

Anika's classmates prepared a presentation about the five classes of vertebrates. Which animal groups did they include in their presentation?

• mollusks, squids, octopi, sponges, and jellyfish

• amphibians, fish, birds, mammals, and reptiles

• sea urchins, starfish, brittle starts, sand dollars, and sea corals

• spiders, crabs, insects, worms, and lobsters

Elijah is preparing for a test on animal life cycles. He needs to remember how some animals go through metamorphosis. Which animal would be an example of an animal that goes through metamorphosis?

• duck

• frog

• nurse shark

• sea turtle

Emma's class was studying vertebrates. Which of the following are examples of vertebrates?

• ferns, conifers, mosses

• brittle stars, sea stars, basket stars

• camels, falcons, sharks

• crabs, grasshoppers, jellyfish

Tags

NGSS.MS-LS4-2

Ava observed moss growing on rocks and trees in a shady and moist area of a forest. The moss was very short. She also observed that no moss grew in dry or sunny areas. Which of the following is true about the moss?

• Moss is a vascular plant, so it has true leaves and roots.

• Moss is a nonvascular plant, without true leaves or roots.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Some plants produce a large number of seeds. The more seeds that are produced, the more likely that some of them will survive, germinate, and grow. Based on this information which plant is the best example of this life cycle?

• Plant A: 45 seeds produced

• Plant B: 61 seeds produced

• Plants C: 5 seeds produced

• Plant D: 21 seeds produced

Tags

NGSS.MS-LS2-1

Mrs. Smith's class was identifying different species of plants. Which of the following best describes a species?

• the next more specific classification following an order

• a group in which organisms of different kinds are closely related

• a unique kind of organim

• another name for a family or genus

Tim's class was studying vertebrates. What are vertebrates?

• animals with body parts in segments

• animals with spiny skin

• animals with backbones

• animals without backbones

Which of the following is an example of an instinct that helps an animal survive?

• a skunk spraying a smelly mist for protection

• a raccoon learning to cross the road

• a dog fetching a ball

• a human riding a bicycle