7th Science Food Webs

Students observe an unknown species during a field study. They observe that the organism is multicellular, is autotrophic, and can reproduce both sexually and asexually. Which kingdom does this organism most likely belong to?

• Archaea

• Animalia

• Bacteria

• Plantae

Tags

NGSS.MS-LS1-6

A group of students used this diagram to classify three organisms into different kingdoms. Which table correctly identifies the three kingdoms?

• Kingdom 1: Plantae, Kingdom 2: Fungi, Kingdom 3: Protista

• Kingdom 1: Fungi, Kingdom 2: Protista, Kingdom 3: Plantae

• Kingdom 1: Plantae, Kingdom 2: Fungi, Kingdom 3: Animalia

• Kingdom 1: Animalia, Kingdom 2: Protista, Kingdom 3: Plantae

Tags

NGSS.MS-LS4-2

Which list of characteristics describes organisms classified as animals?

• Unicellular, prokaryotic, autotrophic

• Multicellular, eukaryotic, heterotrophic

• Unicellular, eukaryotic, heterotrophic

• Multicellular, eukaryotic, autotrophic

The characteristics of a particular organism are listed in the table.

In which kingdom should this organism be classified?

• Fungi

• Eubacteria

• Plantae

• Animalia

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-2

A Texas Gulf Coast energy pyramid is shown with representative organisms at each trophic level.

Which statement best describes the flow of energy through this pyramid?

• The trophic level represented by catfish and gobies receives energy directly from the producers.

• The trophic level represented by shrimp and copepods receives energy directly from the tertiary consumers.

• The trophic level represented by redfish and flounder receives energy directly from the secondary consumers.

• The trophic level represented by wire grass and phytoplankton receives energy directly from the primary consumers.

Tags

NGSS.MS-LS2-3

Fox squirrels are common in Texas. Fox squirrels primarily eat acorns and nuts from trees but also eat insects. Some predators of fox squirrels include owls, snakes, and bobcats. Which diagram best represents how energy would flow to and from the fox squirrel?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The chart lists organisms in five different categories living near the Texas Gulf Coast. Based on the chart, which food chain best models a flow of energy in this ecosystem?

• Sun, Mosquitoes, Shrimp, Coyotes

• Sun, Algae, Shrimp, Red drum

• Sun, Pygmy sunfish, Shrimp, Wood ducks

• Sun, Willow oaks, Algae, River otters

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A partial grassland food web is shown. Which of the following best describes a relationship in this grassland?

• Badgers are top predators because they eat upland sandpipers and beetles.

• A producer-consumer relationship exists between lupines and ants.

• A predator-prey relationship exists between beetles and ground squirrels.

• Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An energy pyramid is shown. Which sentence best describes how energy flows through this pyramid?

• Energy is transferred down each level of the energy pyramid.

• The energy lost at each level is consumed by organisms in the top level.

• Energy is transferred from organisms in one level to those in the level above.

• The organisms at the bottom level provide energy directly to organisms in all the other levels.

Tags

NGSS.MS-LS2-3

A partial mountain forest food web is shown. Which statement does NOT describe a relationship shown in the food web?

• Elk are prey for mountain lions.

• Mice are herbivores that consume grasses and are preyed on by snakes.

• Owls prey on rabbits and frogs.

• Rabbits consume shrubs and are parasites of grasses.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3