List two reasons why amphibians must live in moist environment.

Answers

Answer 1

Answer: Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)

Answer 2

Answer: They reproduce in the water and they dry out quickly without water

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Which type of pollution includes CFCs and smog? Air, land, water or volcanic

Answers

CFCs and smog are examples of air pollution.

CFCs (containing atoms of carbon, chlorine and fluorine)are a component of aerosols sprays, refrigerants etc. These chemical compounds are non reactive in the lower atmosphere but the CFCs react with UV radiation in the sunlight and release inorganic chlorine. This chlorine is the main cause of the holes present in the ozone shield (shield that protects us from harmful UV rays) in the polar regions.

Smog refers to the haze or fog that occurs as a result of air pollution (caused by burning of fossil fuels etc)

Chlorofluorocarbons (CFC) and smogs are examples include of air pollutants. Details about pollution can be found below.

What is pollution?

Pollution is the release of toxic substances called pollutants into the environment, whether air, water and water.

Pollutants are of various sources and can be from varying sources as follows:

Air
Water
Land

Chlorofluorocarbons and smogs are examples include of air pollutants.

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Which of the following organisms feed on the detritus found in wetlands? a. aquatic insects b. birds c. reptiles d. predatory fish

Answers

I think the correct answer from the choices listed above is option A. Aquatic insects are the insects that feed on the detritus found in wetlands. Detritus are organic matter that is produced by decomposition and most likely in wetlands insects that are aquatic feed on these matter.

Answer:

a. aquatic insects

Explanation:

Aquatic insects constitute an important component of freshwater aquatic biodiversity. In addition to being very abundant in rivers and streams, they are also present in lakes and temporary water stagnations (wetlands). In water sources, these insects can live attached to stones, in decaying leaves and plant material or buried in fine sediment. Aquatic insects have different eating habits and therefore have multiple behavioral and morphological modifications.

Aquatic insects can live attached to stones, in decaying leaves and plant material or buried in fine sediment. According to the place where they live and the availability of resources, these insects have different eating habits. In this line, we have predatory aquatic insects of other insects or vertebrates such as turtles (access contents about turtles) and fish, feeding on living tissue of vascular plants and detritivorous habits that means that they feed on organic matter in suspension in the water column.

In the evolutionary history of aquatic insects, due to diversification in eating habits, they have modifications in their body appendages. In this context, we have predatory aquatic insects with raptorial legs to hold the prey, with a raptorial lip like dragonflies for the same purposes, and other detritus filters have multiple mushrooms on the anterior legs and mouth structures to retain organic matter.

According to the mode of acquisition of food, we have predators that actively forage in search of prey such as dragonflies, also passive predators such as hemiptera of the Belostomatidae family. Detritivorous aquatic insects, meanwhile, can be filters, crushers, collectors or scrapers of organic matter.

Which components make up the cardiovascular system?

Answers

Its Heart, Blood vessels, and blood. I just took the quiz.

Final answer:

The cardiovascular system consists of three main components: the heart which pumps blood, the blood vessels that distribute the blood, and the blood itself carrying necessary substances.

Explanation:

The cardiovascular system, also known as the circulatory system, consists of three main components: the heart, the blood vessels, and the blood. The heart is a muscular organ that pumps blood throughout the body. The blood vessels are a network of tubes that carry the blood throughout the body, including arteries, veins, and capillaries. The blood itself, the system's fluid component, carries oxygen, nutrients, and other essential substances to cells and removes waste products.

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Which is a journal in which scientists publish original, scholarly research?Popular Science

Science

Scientific American

Natural History

Answers

The answer is Science. Science is one of the most respected scholary journals where scientists can publish their work after they have written up a manuscript. However, publishing in Science is not easy. Once the authors of a certain proposed paper write it and send it to the editors, the paper itself undergoes a process called double blind peer-review, where their paper is being fact-checked and otherwise scrutinized by multiple researchers of their field in order to maintain a very high quality level of the papers that are being published in Science.

2. Does fertilizer make a plant grow bigger?
Independent -
Dependent -
Constants -

Answers

Answer:

Independent - fertilizer

Dependent - plant growth

Constants - type of plant, type of soil, water amount

Explanation:

What are the main components needed to insure ecosystem stability? a. estuary, savanna, and tundra
b. primary and secondary succession
c. food, water, shelter and biodiversity
d. moderate climate, sufficient space, and adequate sunlight

Answers

The correct answer should be d. moderate climate, sufficient space, and adequate sunlight

No organism can exist without the sun, while a moderate climate is necessary for the establishment of a stable ecosystem. Sufficient space prevents overpopulation which later prevents other nasty things.

Final answer:

Ecosystem stability depends on food, water, shelter, and biodiversity. These factors provide the necessary conditions for the survival and growth of organisms, and biodiversity plays a vital role in ecological balance.

Explanation:

The main components needed to ensure

ecosystem stability

are: food, water, shelter, and biodiversity (option c). These factors are fundamental necessities for all living organisms.

Food

provides energy for their growth and reproduction.

Water

plays a crucial role in various life processes.

Shelter

protects organisms from harsh environmental conditions and predators. Finally,

biodiversity

improves ecosystem productivity and resilience, as different species play unique roles in maintaining ecological balance. The presence of a diverse range of species also allows for more robust responses to environmental changes.

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Where can water in the gaseous state be found?