Day 7 Warm-up Interdependency in Ecosystem

Elements that do not need energy or water and do not reproduce

• Living

• Nonliving

• Interdependency

• Habitat

When elements depend on each other

• Living

• Nonliving

• Interdependency

• Habitat

Tags

NGSS.MS-LS2-2

A place where an organism lives or its home

• Living

• Nonliving

• Interdependency

• Habitat

Elements that need energy, water, and reproduce

• Living

• Nonliving

• Interdependency

• Habitat

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

How do livestock overgrazing fields negatively impact the ecosystem?

• The livestock population will increase.

• Nutrients in the soil will increase.

• Precipitation will decrease.

• Soil erosion will increase.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

On a trip to the beach, a student noticed a hermit crab. Which observations best describe how the hermit crab interacts with a living component in the ecosystem? Select TWO correct answers.

• Eating grasses on the shoreline

• Swimming through the water

• Hiding behind a rock

• Living with a sea anemone for protection

Tags

NGSS.MS-LS2-2

A student observed and recorded some activities in an aquarium. Observations: 1. A fish eats flakes of fish food dropped into the aquarium. 2. A snail crawls over colored rocks at the bottom of the aquarium. 3. A fish eats leaves from a plant in the aquarium. 4. A snail lays eggs in the corner of the aquarium. 5. A fish swims through air bubbles being pumped into the aquarium. 6. A snail moves up a wall of the aquarium. An interaction between two living parts of the environment is represented by –

• Observations 1 and 2

• Observation 3

• Observations 4 and 5

• Observation 6

Tags

NGSS.MS-LS2-4

Some characteristics of the tundra are described: - Long winters with temperatures at -34 °C - Less than 25 centimeters of precipitation each year - Thin layer of topsoil covers the frozen ground - Some types of plants found there are mosses, grasses, small shrubs, and trees Based on this description, which pair of animals is LEAST likely to live in the tundra?

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Match the following

• This is an animal that lives by preying on other animals.

• Producer

• This is an organism that breaks down and gains nutrients from dead organisms.

• Parasite

• This is an organism that supplies matter and energy, also known as an autotroph.

• Consumer

• This is an organism that relies on other organisms for its food and energy supply; heterotroph

• Predator

• This is an organism which feeds on, but usually does not kill, a larger organism

• Decomposer

Tags

NGSS.MS-LS2-2