Ecology

What is the original source of almost all energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

Tags

NGSS.MS-LS1-6

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.

• The specific ways that mutualism is carried out.

• A single pathway or energy flow between organisms. 

• How carnivores get their food. 

Tags

NGSS.MS-LS2-3

a relationship between two in which one species, the predator, feeds on the other species, the prey

• chemosynthesis

• predation

• cellular respiration 

• commensalism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What  is a single member of a population called?

• individual

• specie

• organism

• living thing

Tags

NGSS.MS-LS2-1

NGSS.MS-LS4-4

Which sphere of the Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

Tags

NGSS.MS-LS2-3

A deceased body was found in the snow this will cause a ​ (a)   insect activity, and in the decomposition process.

• decrease

• increase

• not effect

• speed up

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 

• Height of grass

• Amount of nitrogen

• Essential nutrient

• Amount of growth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

what biotic community is represented by the group of cats, as shown on the background picture ?

• Organism

• Population

• Community

• all of the above

Green plants are

• producers

• consumers

• herbivores

• omnivores

Tags

NGSS.MS-LS2-3

Where an organism lives

• habitat

• niche 

• heterotrogh

• biosphere