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_____________ is a non-living component of an environment.
a. Bird
b. Grass
c. Air
d. InsectAn organism that can make its own food is called a ___________.
a. producer
b. herbivore
c. carnivore
d. omnivoreA _____________ feeds on dead animals.
a. herbivore
b. scavenger
c. decomposer
d. producerPlants produce ________________ which is breathed in by living beings.
a. hydrogen
b. nitrogen
c. carbon dioxide
d. oxygen____________________ are used in vermiculture.
a. Moths
b. Earthworms
c. Bees
d. Butterflies
Carnivores eat both plants and flesh of other animals.FHerbivores make their own food.FDecomposers are part of a food chain.TThe introduction of a new species in an environment upsets the balance of nature.TIncrease in the population of herbivores results in overgrazing.T
The process that helps plants to make food.PhotosynthesisA scavenger bird.VultureA living being that helps to pollinate flowers.BeeA natural cause of disturbing the balance of nature.Forest fireThe interaction of many food chains.Food web
Define the term 'consumers.'Consumers are organisms that cannot make their own food and eat plants or other animals for food.What is vermiculture?Vermiculture is a method of converting wet garbage into manure using earthworms, which enrich the soil. this is also called vermicomposting.Name the gas needed by plants for photosynthesis.Carbon dioxideWhat is the role of the sun in a food chain?The sun provides energy for plants to make food through photosynthesis, which is the starting point of the food chain.
What are decomposers? Explain with an example.Decomposers are organisms that eat decaying matter of dead plants and animals, breaking it down into simpler substances that return to the soil for plants to use; an example is bacteria, which break down nutrients in dead organisms, helping plants grow.What is a food chain? Explain with an example.A food chain is a chain of plants and animals dependent on each other for food, showing the flow of food energy; for example, a plant makes its own food, a deer eats the plant, a lion eats the deer, vultures feed on the dead lion, and bacteria decompose the remains, returning nutrients to the soil for plants. Describe the ways in which plants and animals depend on each other.Plants and animals depend on each other for food, with plants producing food and animals consuming plants or other animals; plants release oxygen during photosynthesis, which animals need to breathe, while animals breathe out carbon dioxide, which plants use for photosynthesis; animals like birds depend on plants for shelter, and plants depend on animals like bees for pollination and seed dispersal.What are the human-made factors that upset the balance of nature?Human-made factors that upset the balance of nature include deforestation, which destroys habitats; land development, which reduces living spaces for species; pollution, which harms plants and animals; the introduction of new species, which can disrupt food chains; and hunting, which reduces animal populations, affecting the balance of species.
If the population of herbivores increases, it leads to overgrazing. What are the dangers of overgrazing?The dangers of overgrazing include the destruction of grass and plants, leading to soil erosion; loss of habitat for other animals; reduced food for herbivores, causing starvation; and disruption of the food chain, affecting carnivores and decomposers.How does the destruction of animal habitats disturb the balance of nature?The destruction of animal habitats disturbs the balance of nature by reducing living spaces, leading to a decline in animal populations; this affects food chains, as fewer animals mean less food for predators and scavengers; it also disrupts pollination and seed dispersal, harming plant growth; and it can lead to overpopulation of some species, causing overgrazing or other imbalances.
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Answer to Textbook exercises
Last edited 181 days ago by Learn LoopHQ.
SECTION 1
I. Tick (✓) the correct option to complete each sentence.
II. Write true (T) or false (F).
III. Name the following:
SECTION 2
I. Short answer questions
II. Long answer questions
Challenge Questions
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