Do Neurons transmit information? Neurons are cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells. Most neurons have a cell body, an axon, and dendrites. The cell body contains the nucleus and cytoplasm. Dendrites extend from the neuron cell body and receive messages from other neurons. When a […]

Why must amphibians always live near water? This is because they need to lay their eggs in water, and their larval stage needs water. For example, frogs and toads start their early life as eggs deposited in water (or near water), then develop into tadpoles—they must live in water to survive. Why do most amphibians […]

What is ecological variation? Ecological diversity includes the variation in both terrestrial and aquatic ecosystems. Ecological diversity can also take into account the variation in the complexity of a biological community, including the number of different niches, the number of trophic levels and other ecological processes. How are species diversity and habitat diversity related? The […]

How do you know where to put the punctuation? Punctuation shows how the sentence should be read and makes the meaning clear. Every sentence should include at least a capital letter at the start, and a full stop, exclamation mark or question mark at the end. This basic system indicates that the sentence is complete. […]

What is starch broken down into? Carbohydrase enzymes break down starch into sugars. The saliva in your mouth contains amylase, which is another starch digesting enzyme. If you chew a piece of bread for long enough, the starch it contains is digested to sugar, and it begins to taste sweet. What is maltose broken down […]

What is the process of fertilization in humans? The stages of fertilization can be divided into four processes: 1) sperm preparation, 2) sperm-egg recognition and binding, 3) sperm-egg fusion and 4) fusion of sperm and egg pronuclei and activation of the zygote. Does fertilization occur on ovulation day? Fertilization doesn’t always occur, even if you […]

Which is better steam or hot water heat? As the name indicates, the heating source that runs through the supply pipes and into the radiators is steam. This is created in a furnace located in an area separate from the living spaces, usually a basement….Hot Water vs Steam Radiator: Major Differences. Hot Water Radiators Steam […]

What causes tingling burning sensation of the skin? The most common, everyday cause is temporary restriction of nerve impulses to an area of nerves, commonly caused by leaning or resting on parts of the body such as the legs (often followed by a pins and needles tingling sensation). Other causes include conditions such as hyperventilation […]

When and why did agriculture emerge as a way of life? Agricultural communities developed approximately 10,000 years ago when humans began to domesticate plants and animals. By establishing domesticity, families and larger groups were able to build communities and transition from a nomadic hunter-gatherer lifestyle dependent on foraging and hunting for survival. How did the […]

What happens with insecticides and herbicides that we put on our lawns? Explanation: Any pesticides and/or herbicides not taken in by the grass are absorbed by the soil and may find their way into our water supply and surrounding water bodies. (The same is true for fertilizers). If we apply more of these products that […]