7th Grade Week 18 Benchmark

Front

What parts of an organism are more likely to fossilize?

Back

The hard parts - bones, shells, stems are more likely to fossilize.

Front

What type of environment is indicated by data collected from dark-bark trees?

Back

The data was likely collected from a forest with primarily dark-bark trees.

Front

Why are mutations important in biology?

Back

Mutations bring about genetic variation needed for a population to evolve.

Front

What is density in terms of matter?

Back

Density refers to how tightly or loosely packed the molecules of a substance are.

Front

What process creates ATP in living organisms?

Back

ATP is created during cellular respiration.

Front

What is the definition of a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism.

Front

What is the role of photosynthesis in the ecosystem?

Back

Photosynthesis converts light energy into chemical energy, producing oxygen and glucose.

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA among individuals in a population.

Front

What is the significance of the Hardy-Weinberg equilibrium?

Back

It describes a population that is not evolving, providing a baseline for studying evolutionary changes.

Front

What is the difference between conduction and convection?

Back

Conduction is the transfer of heat through direct contact, while convection is the transfer of heat through the movement of fluids.