Energy Flow and Photosynthesis

In photosynthesis, plants convert what type of energy into what other type of energy?

• A. Light energy into mechanical energy

• B. Radiant energy into chemical energy

• C. Chemical energy into heat energy

• D. Mechanical energy into light energy

Tags

NGSS.MS-LS1-6

The energy plants gain through photosynthesis is stored in–

• A. oxygen.

• B. nitrogen.

• C. carbon dioxide.

• D. glucose.

Tags

NGSS.MS-LS1-6

A test tube is filled with water and a green plant called elodea. When the plant is exposed to sunlight, it begins to produce bubbles. Which of the following is the most likely conclusion for the identity of the gas in the bubbles?

• A. Carbon dioxide

• B. Oxygen

• C. Nitrogen

• D. Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram provided illustrates the process of photosynthesis, including the substances used by and produced by plants. What is the identity of the chemical represented by the question mark in the diagram?

• A. Hydrogen

• B. Carbon

• C. Glucose

• D. Nitrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following provides the energy needed for photosynthesis?

• A. Water

• B. Sunlight

• C. Plants

• D. Atoms

Tags

NGSS.MS-LS1-6

The chart lists organisms in 5 different categories living near the Texas Gulf Coast.

(Look at your chart)

Based on the chart which food chain best models a flow of energy in this ecosystem?

• A. Sun - Mosquitos - Shrimp - Coyotes

• B. Sun - Algae - Shrimp - Red Drum

• C. Sun - Pygmy sunfish - Shrimp - Wood ducks

• D. Sun - Willow Oaks - Algae - River otters

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A partial grassland food web is shown.

(look at your food web)

Which of the following best describes a relationship in this grassland?

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

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

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

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

Tags

NGSS.MS-LS2-2

An Energy pyramid is shown.

(look at your energy pyramid picture)

Which sentence best describes how energy flows through this pyramid?

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

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

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

• D. 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 in the picture.

(Look at the picture)

Which statement does not describe a relationship shown in the food web?

• A. Elk are prey for mountain lions.

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

• C. Owls prey on rabbits and frogs.

• D. Rabbits consumer shrubs and are parasites of grasses.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A partial marine food web is shown.

(Look at your picture)

Which organisms all consume the same producer?

• A. Crabs, pilchards, blennies

• B. Euphausiids, sweeps, water fleas

• C. Tiger sharks, dolphins, octopuses

• D. Sea urchins, crabs, octopuses

Tags

NGSS.MS-LS2-1