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4 years ago

.a i What does a food chain mean to you?

Biology

2 answers:

Anarel [89]4 years ago

7 0

Answer:

a.ii. A predetor is an animal that hunts or kills for food

A prey is the animal that the predetor hunts or kills for food

Explanation:

For example a rabbit is a prey because a fox (predetor) can hunt or kill it.

vlabodo [156]4 years ago

4 0

Answer:

a. You do this on your own

b. a prey is something that is hunted, a predator is a hunter.

b.i. not going to draw it but, here are some animals, cow, rooster, deer, rabbit, mouse, predators are cat, wolf, coyote, bobcat, leopard?

ii. Producers are always plants, primary consumers are grazers such as cows, secondary consumers are wolves, and tertiary consumers are snakes.

a. For shelter

b. for paper

c. human in habitation/ construction

a.1Make shelters out of brick, or stones.

b.1 Make paper out of a mix of things, instead of mostly paper.

c.1 Make buildings taller, not longer, to preserve space, or, destroy old buildings and reuse the material!

a. Acid rain is rain that is acid. Contains high levels of nitric and sulfuric acids.

b. Acid rain is caused by a chemical reaction which occurs when compounds like sulfur dioxide, and nitrogen oxides are released into the air!

c. Can appear in snow, fog, and tiny bits of material

Hope this helps!

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How might a cell be affected if the mitochondria stopped functioning? Explain your reasoning

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4 years ago

Read 2 more answers

Other than bacteria, which factor leads to nitrogen fixation? A. Lightning B. Flood C. Rain

max2010maxim [7]

Answer:

A. Lightning

Explanation:

Nitrogen is very fundamental for a wide range of life activities in both plant and animals.

Lightning which accompanies thunder during rain storm and other weather phenomenon aids the release of atmospheric nitrogen for life processes. The energy that accompanies a lightning event is mostly electrical in nature. This electrical energy is huge and very massive. As the lightning interacts with free nitrogen molecules in the atmosphere, the molecule is broken down. The free nitrogen which results then combines with oxygen in the atmossphere to form oxides of nitrogen. When oxides of non-metals dissolves in rain water, they make the water rich in nitric acid and can be brought to the biosphere for use by plant and animals.

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4 years ago

Given the behavior and ecology of this insect, what are some factors that could cause the incidence of Chagas disease to increas

Novay_Z [31]

Answer and Explanation:

There are many physical elements such as temperature, precipitation, humidity, altitude, vegetation, among others, that influence the presence of the insects that transmit the Chagas diseases. Its transmission seems to be enhanced by other social elements, such as the deficiency in basic services, lack of planning, the socio-economical conditions, cultural conditions. Altogether, these factors intervene in the presence of the Chagas disease, a systemic infection caused by the protozoa <em>Trypanosoma cruzi</em>. This protozoan is hosted by different wild and domestic mammals, transmitted to the human by hematophagous insects. The transmission occurs through dejections deposited on skin or mucose during or after the feeding process.

Different rural areas in Central and South America are characterized by a mountain relief (temperatures between 15 and 30ºC - relative humidity between 50 and 90%), as well as by a plane relief associated with alluvial plain (temperature between 20 and 35ºC - media relative humidity of 75%). Vegetation in the mountain area provides a natural habitat to the triatomines, the insects that transmit the Chagas disease.

Constant deforestation in mountains, soil move, the cutting down, firing, have destroyed the natural habitat of the insects, becomming the cause of their arrival to populated centers. As their environment is destroyed, insects migrate to new areas and find refuge in precarious houses that surround the affected areas. Most of these houses have clay walls, a roof made of branches, and no floor. People that live in these conditions do not have economic resources. Indexes of infestation in these houses are high due to the material used for their construction. Insects tend to establish near a source of food, such as domestic animals or even humans. It is also common that these houses have chicken coops and farmyards that also offer good conditions for the insects to live in.

Economic activities are important variables to consider, as these define the way of living in a population.

Agriculture activities are performed with no control or planning. People deforest to plant, getting in contact with the insects' natural habitat, producing environmental changes, and getting in touch with them, enhancing the risks of being infected and of transportin the insects.

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4 years ago