2.6a

Some bacteria withstand poor conditions by forming ___

• blandospores

• startospores

• endospores

• ribospores

Tags

NGSS.MS-LS4-4

Endospores (similar to a seed), allow bacteria to wait for the right conditions--up to 1,000 years!

• true

• false

• the word "spores" makes me hungry for sunflower seeds

• wait, what is bacteria?

The rapid growth of a population of algae in either a freshwater or saltwater environment is call a(n)

• red tide

• algal bloom

• protozoan

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Reforestation ...

• involves planting trees to replace ones that have been removed

• involves cutting down trees in a select area

• involves monitoring the trees in an area

• involves control over trees in an endangered animal's habitat

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How do landfills effect the environment?

• Landfills cause fish to be poisoned and die.

• Landfills support plant growth and healthy soil.

• Landfills cause smog in the air.

• Landfills cause chemicals from trash to absorb into the soil and harm plants.

Tags

NGSS.MS-ESS3-3

Cutting down trees near water causes _____________.

• excess nutrients to end up in the ocean

• fertilizer to end up in the ocean

• excess sediments to end up in the ocean

• algae to grow quickly

Tags

NGSS.MS-LS2-4

Look at the graph below. What is the main source of ocean pollution?

• dumping trash into the ocean

• airborne pollutants

• runoff from land

• offshore mining

Which of the following is an example of an irreversible change?

• A log of wood has been burned on the fire

• A fruit smoothie has been frozen

• A bar of chocolate has been left in the sunshine and has melted

Name how this (ice to water) has changed state

• Melting

• Burning

• Freezing

• All of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the primary function of mitochondria in cells?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

Tags

NGSS.MS-LS1-2