Ecology Part 1

What will happen to the population when the birth rate is larger than the death rate?

• the population will grow

• the population will decline

• stay the same

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

Tags

NGSS.MS-LS2-3

A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic and Abiotc Factors
• Biotic Factors 
• Abiotic Factors 
• None of the Above

Which of the following would qualify as an "ecosystem"?

• a group of prairie dogs

• a group of prairie dogs and a group of trees

• a group of prairie dogs, a group of trees, and soil

• a single prairie dog

Which of the following is an example of an abiotic factor having an effect on a biotic factor?

• death of trees causes soil erosion

• a drought causes a herd of sheep to migrate to another area

• a wolf population hunts a rabbit population

• a fire results in better soil quality

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which abioitc factors have the greatest role in determining the amount of life an ecosystem can support?

• temperature and precipitation

• soil pH and producers

• predator and prey

• these are all abioitc factors that would have an equal role

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Which of the following lists has ONLY Biotic factors?
 

• snail, algae, guppy, sunlight
• temperature, Daphnia (water flea), snail, guppy (fish)
• snail, guppy (fish), Daphnia (water flea), algae
• temperature, pH, conductivity, nitrite concentration

Which of the following is considered to be an abiotic factor in the environment?

• Water
• Trees
• Plants
• Coral

A living or dead organism in an ecosystem is a(n)?

• population
• biotic factor
• abiotic factor
• community

Which of the following would be considered a BIOTIC factor in an ecosystem?

• bacteria

• rain

• rocks

• wind