South Carolina 2021 Biology Standards Ecology

What is the largest geographic area that contains all ecosystems on earth called

• Biome

• Biosphere

• Ecosystem

• Environment

Which statement best describes the flow of energy as it passes through the organisms in the pyramid (read carefully)

• Energy flows through the organisms from bottom to top and increases at each level

• Energy flows through the organisms from bottom to top and stays the same at each level

• Energy flows through the organisms from top to bottom and inc. at each level

• Energy flows through the organisms from bottom to top and decreases at each level

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A(n) ______ is all living and nonliving things in a particular area that interact with one another

• Biome

• Community

• Ecosystem

• Population

Tags

NGSS.MS-LS2-3

Decomposers are important in the food chain because they

• Produce their own food using sunlight from the sun

• Stop the flow of energy from one organism to another

• they are microscopic and other organisms cannot consume them

• They break down organisms & recycle nutrients into the soil

Tags

NGSS.MS-LS2-3

If animals eat plants to get energy, where do plants get their energy?

• Soil

• Sun

• Water

• Wind

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these organisms would most likely be found at the bottom of a biomass pyramid

• Giant squids

• Sand sharks

• Sea cucumbers

• Green algae

• Angel fish

Which of these organisms would most likely be found at the t͟͟o͟͟p͟͟ of an energy pyramid

• Clams

• Sardines

• Sharks

• Kelp

Tags

NGSS.MS-LS2-3

Which of the following correctly shows the organization in an ecosystem, from smallest to the largest level

• Community/ecosystem/organism/ populations

• Ecosystem, community, population, organism

• Organism/ population/ community/ ecosystem

• Population, community, ecosystem, organism.

Which of these only include biotic parts of an ecosystem

• Rain, grass, seeds, mice 🐭

• Sand, air, water, sunlight ☀️

• Log, dead, grass, fungi, bird 🦅

• Bacteria, soil, minerals, worms 🐛

Which statement best describes what will happen if the population of herbivores in the community decreases

• The pop. Of foxes will increase

• The pop. of hawks will inc.

• The pop. of rabbits will increase

• The pop. of meadow plants will inc.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4