Biology STAAR

What organs are part of the digestive system?

• heart

• skin

• brain

• intestines/stomach

Which is part of the endocrine system?

• brain

• muscles

• mouth

• hormones

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

• nucleotide

• phosphate group

• hydrogen bond

• deoxyribose

Tags

NGSS.HS-LS1-1

What are genes?

• DNA

• ATP

• ABC

• DTA

Match the following words with their definitions.

• simple organisms

• prokaryote

• water moving

• ATP

• complex organisms

• adaptations

• energy source

• osmosis

• changes that increase survival

• eukaryote

Which of these correctly compliments the following DNA strand during replication: AGGTCA

• UCCAGU

• TCCAGT

• ACCAGU

• TGGAGT

In which phase of the cell cycle is DNA replicated?

• Mitosis

• G1 phase

• G2 phase

• S phase

Adaptations that result from natural selection are expected to increase the fitness of an organism. In terms of natural selection, what is fitness?

• being able to escape from predators

• being among the strongest organisms in a population

• being able to survive, find a mate, and produce offspring

• being able to survive long enough to reach an adult age

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

What phase is this cell in?

• Cytokinesis

• Mitosis

• Prophase

• Metaphase

What phase is this cell in?

• Mitosis

• Interphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4