The answer is 1. The marked portion of both circles indicate that the two species, A and B, compete for the same source of wood which is oak trees.

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The answer is 4. The environment is defined as the organism’s interaction between the living and the nonliving things. The way they interact with one another in a specific environment.

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The answer is 3. The basic food supply is essential in all organisms because it is one of the reason why an organism survives. The basic food supply is said to be the means of transferring energy because the first thing an organism needs is to create energy in order to do a series of functions needed to survive.

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The answer is 3. Rabbit and clover are illustrated as a consumer producer relationship because rabbits consume clover and clovers produce the needed food for the rabbit.

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The answer is rosebush. Primary producers are organisms such as plants or algae that have the ability to produce their own food by using energy from the sun for the production of carbohydrates which serve as their food.

Rosebush

The answer is 3. Primary producers are organisms such as plants or algae that have the ability to produce their own food by using energy from the sun for the production of carbohydrates which serve as their food.

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If aphids were killed off due to the spraying if pesticides, the number of toads could decrease. This is because of the fact that toads eat aphids in order to survive, and without aphids, there would be a possibility that they would not survive.

The answer is 4. Organisms such as bacteria and fungi can be considered as decomposers wherein they breakdown waste materials from organisms that are decaying.

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The answer is 3. Organisms such as bacteria and fungi can be considered as decomposers wherein they breakdown waste materials from organisms that are decaying.

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The answer is 3. Primary producers are organisms such as plants or algae that have the ability to produce their own food by using energy from the sun for the production of carbohydrates which serve as their food.

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The answer is 1. An autotroph is considered to be a primary producer, a herbivore is a primary consumer and a carnivore is considered as a secondary consumer.

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The answer is 1. This is the job of a primary producer. Primary producers are organisms such as plants or algae that have the ability to produce their own food by using energy from the sun for the production of carbohydrates which serve as their food.

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The answer is 4. Predation is when animals kill their prey and eat them. This is done in ecosystems in order to survive. The predator which is the one on top of the food chain captures and devours their prey for food. They have the same characteristic of parasites.

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The answer is 1. Scavengers are animals which eat animals or organisms that are already dead. These animals that they have preyed on must be first eater by a predator and then will be eaten by the scavenger.

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The answer is 1. A food webs shows a relationship between consumers usually by the use of an image. It shows a map of feeding relationships, what organisms consumes another organism.

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The answer is 1. An organisms niche describes the organisms role or position in the habitat as well as how resources are used and its role in the community.

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The answer is 4. A food chain is a sequence of organisms wherein higher organisms depend on the next as a resource of food.

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The answer is 3. The diagram showed that the flow or order of the species or organisms according to how they are consumed. Those at the end of the arrow are the last consumers and those at the beginning of the arrow are the primary producers.

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