Biology STAAR

Which best explains how the cell cycle is important to the life cycle of a frog?

• it enables frogs to produce tadpoles that are clones

• it allows frogs to grow, develop, and reproduce

• it prevents overproduction of frog offspring

• it ensures the best adapted frogs survive and pass on traits to offspring

Tags

NGSS.MS-LS1-5

When multiple transitional fossils are found in many rock layers, they provide evidence of...

• seasonal variation in the diet of the species

• gradual change of a species over time

• DNA functioning as the genetic material of organisms

• an unchanging environment

Tags

NGSS.MS-LS4-1

A segment of DNA is shown. Which is the part labeled X?

• nucleotide

• phosphate group

• hydrogen bond

• deoxyribose

Tags

NGSS.HS-LS1-1

What organ is part of the integumentary system?

• brain

• skin

• heart

• lungs

Which organism gets the LEAST energy?

• eagle/bird

• snakes

• rabbits

• grass/plants

Tags

NGSS.MS-LS2-3

What organs are part of the digestive system?

• heart

• skin

• brain

• intestines/stomach

Which is part of the endocrine system?

• brain

• muscles

• mouth

• hormones

What are genes?

• DNA

• ATP

• ABC

• DTA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Match the following words with their definitions.

• changes that increase survival

• eukaryote

• simple organisms

• ATP

• energy source

• prokaryote

• complex organisms

• osmosis

• water moving

• adaptations

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

What organs are in the nervous system?

• skin

• brain

• muscles

• heart

Tags

NGSS.MS-LS1-3