5th Grade Science : 5th Grade Science
Study concepts, example questions & explanations for 5th Grade Science
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Example Questions
Example Question #41 : 5th Grade Science
In the graphic below, a food chain is modeled. The decomposer has been removed from the food chain. Which organism below could be the decomposer in this food chain?
The vulture is a decomposer that could be added to this food chain to complete it. A decomposer is an organism that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem. Often a decomposer is a bacterium, fungus, or invertebrate. Decomposers play a critical role in the flow of energy through an ecosystem. Decomposers make vital nutrients available to an ecosystem’s primary producers—usually plants and algae.
Example Question #1 : Movement Of Matter
Which of the following is an example of a 1) decomposer, 2) producer, and 3) a consumer?
1) fungi, 2) grass, and 3) cricket
1) mushroom, 2) rose bush, and 3) palm tree
1) grass, 2) cricket, and 3) vulture
1) osprey, 2) snake, and 3) frog
1) fungi, 2) grass, and 3) cricket
A decomposer is an organism that breaks down organic material. This includes the remains of dead organisms. Bacteria, worms, snails, slugs, and fungi are types of decomposers. All organisms undergo decomposition after death. The correct answer is "1) fungi, 2) grass, and 3) cricket".
Example Question #41 : 5th Grade Science
What is the process called by which producers create their food?
Hyoersynthesis
Autosynthesis
Photosynthesis
Aquasynthesis
Photosynthesis
Plants (producers) are at the beginning of every food chain that involves the Sun. All energy comes from the Sun, and plants are the ones who make food with that energy through photosynthesis. Plants get their energy from the Sun and water. Without water transporting nutrients to the plants, they would not grow and survive. Water also helps cool plants as they evaporate water through transpiration.
Example Question #42 : 5th Grade Science
What is a plant called in a food chain?
A top carnivore
A herbivorous consumer
A producer
A decomposer
A producer
Plants are called producers and are a vital part of the food chain. This food chain is based in the ocean and features all aquatic organisms. Plants get their energy from the Sun and water. Without water transporting nutrients to the plants, they would not grow and survive.
Example Question #43 : 5th Grade Science
What member of the food chain directly receives energy from plants in a food chain?
2nd level carnivorous consumer
The Sun
Decomposer
Top carnivore
Decomposer
Plants (producers) indirectly provide energy to all members of the food chain. When something consumes a plant and is later eaten, that energy is passed down the line. Decomposers and herbivorous consumers are the only two members that directly receive energy from plants (producers).
Example Question #44 : 5th Grade Science
Why are plants called producers in the food chain?
They catch their food.
They produce homes for many insects.
They make their own food.
They produce energy for the Sun.
They make their own food.
Plants are called producers because they produce their food. Through photosynthesis, plants absorb carbon dioxide with their leaves, water and nutrients from the soil with their roots, and sunlight to create glucose. This energy-rich sugar gives plants what they need to grow and survive. Plants are the only organism that can use sunlight to make their food.
Example Question #45 : 5th Grade Science
Which consumers in the model indirectly receive energy from producers?
Decomposer, herbivorous consumers, and the Sun
2nd level carnivorous consumers, 3rd level carnivorous consumers, and top carnivores
Decomposer, 1st level carnivorous consumers, herbivorous consumers, and the Sun
1st level carnivorous consumers, 2nd level carnivorous consumers, 3rd level carnivorous consumers, and top carnivores
1st level carnivorous consumers, 2nd level carnivorous consumers, 3rd level carnivorous consumers, and top carnivores
Some members of the food chain receive energy from plants directly, and others receive it indirectly. 1st level carnivorous consumers, 2nd level carnivorous consumers, 3rd level carnivorous consumers, and top carnivores all receive a plant's energy second-hand because they are eating something (like a herbivorous consumer) that has previously eaten a plant. Anything that is a carnivore only eats meat, so it will not directly consume a producer.
Example Question #42 : 5th Grade Science
Producers make their food. They use a process called photosynthesis to make their food. Photosynthesis uses which of the following ingredients
water, sunlight, soil
water, air, sunlight
water, sunlight, carbon dioxide
water, soil, air
water, sunlight, carbon dioxide
Plants (producers) are at the beginning of every food chain that involves the Sun. All energy comes from the Sun, and plants are the ones who make food with that energy through photosynthesis. Plants get their energy from the Sun, carbon dioxide, and water. Without water transporting nutrients to the plants, they would not grow and survive. Water also helps cool plants as they evaporate water through transpiration.
Example Question #43 : 5th Grade Science
Which statement best describes how energy is transformed during photosynthesis?
plants take in chemical energy and change it to thermal energy
plants take in light energy and change it to chemical energy in the form of food
plants take in thermal energy and change it to light energy
plants take in chemical energy and change it to light energy
plants take in light energy and change it to chemical energy in the form of food
Plants are called producers because they produce their food. Through photosynthesis, plants absorb carbon dioxide with their leaves, water, and nutrients from the soil with their roots, and sunlight to create glucose. This energy-rich sugar gives plants what they need to grow and survive. Plants are the only organism that can use sunlight to make their food.
Example Question #41 : Life Science
Plants make up most of the Earth's biomass or organic material. What would happen to consumers if there were no more plants?
They would use photosynthesis to make their own food.
They would die because they would have no source of energy.
They would eventually adapt to only eating other consumers.
They would get their energy from other sources, like oxygen.
They would die because they would have no source of energy.
Plants (producers) indirectly provide energy to all members of the food chain. When something consumes a plant and is later eaten, that energy is passed down the line. Decomposers and herbivorous consumers are the only two members that directly receive energy from plants (producers). If plants were removed from the food chain, consumers would die because they would have no source of energy.
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