Biology STAAR Review

Front

What is the probability of cloven hooves in the offspring of heterozygous parents (Hh x Hh)?

Back

75% probability of cloven hooves (HH or Hh).

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

Front

What are pioneer species?

Back

Pioneer species are the first organisms to colonize a barren environment during primary succession, such as lichen or algae.

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that has reached a steady state after a series of ecological changes.

Tags

NGSS.MS-LS2-3

Front

In which phase of the cell cycle is DNA replicated?

Back

DNA is replicated during the S phase of the cell cycle.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring, often summarized as 'survival of the fittest'.

Tags

NGSS.MS-LS4-4

Front

What is the definition of a genotype?

Back

A genotype is the genetic makeup of an organism, representing the alleles inherited from its parents.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the definition of a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Tags

NGSS.MS-LS1-5

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Tags

NGSS.MS-LS2-3

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem (like plants and animals), while abiotic factors are non-living components (like water, soil, and climate).

Front

What is the function of chlorophyll in plants?

Back

Chlorophyll is a pigment in plants that absorbs light energy for photosynthesis.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3