What are the main components of a neuron? A neuron has three main parts: dendrites, an axon, and a cell body or soma (see image below), which can be represented as the branches, roots and trunk of a tree, respectively. What are the main cells of the nervous system? Cells of the Nervous System. There […]

Which of the following could be sources of biological hazards? Sources of biological hazards may include bacteria, viruses, insects, plants, birds, animals, and humans. These sources can cause a variety of health effects ranging from skin irritation and allergies to infections (e.g., tuberculosis, AIDS), cancer and so on. How can you prevent the rapid spread […]

Why do dogs have a better sense of smell? Scientists guess the dog’s sense of smell is somewhere between 10,000 to 100,000 times more acute than ours. One of the reasons a dog has such better smelling ability than us is the number of scent receptors. For every scent receptor a human has, a dog […]

How do urban climates different from rural climates? Urban climates are highly modified local climates, which are often characterized by higher temperature, lower humidity and rainfall, and weaker winds than surrounding rural areas. How does microclimate different from climate? Climate is the set of characteristic temperatures, humidities, sunshine, winds, and other weather conditions that prevail […]

Why the population growth is higher in developing countries then the developed ones? Several factors are responsible for the rapid growth: a drop in mortality rates, a young population, improved standards of living, and attitudes and practices which favor high fertility. Why does a huge population affect the economic development of a country? A large […]

What is the ecological role of Antlions? Antlions pupate in the soil, and the cocoon is made of silk and soil. Once you have located the pits built by antlions, look for prey such as ants or other small arthropods and throw it inside the pit. The antlion will do the rest. Antlions, like other […]

What is the adaptation of insects? Common insect adaptations include an exoskeleton (outer skeleton), camouflage, wings, the ability to have lots of babies, and adapted legs and mouthparts. What are spiders adaptations? Some spiders use hunting adaptations like camouflage, or body adaptations like suction-cup feet to thrive in their habitats. Spiders can even adapt their […]

Which characteristic of life allows a species to survive over time? Reproduction. All living organisms must have the ability to reproduce. Living things make more organisms like themselves. Whether the organism is a rabbit, or a tree, or a bacterium, life will create more life. Are watermelons living things? Plants are living things but a […]

How do I stop being jealous and comparing? Here are some things I learned to do instead of comparing myself to others. Compliment them. Most of the time, when you are jealous or comparing yourself to others, it’s because you think they have something you don’t. Believe in yourself. Embrace your journey. Find your awesome. […]

How much of the earth is Arctic tundra? about 20% Can humans live in the tundra biome? Humans have been part of the tundra ecosystem for thousands of years. The indigenous people of Alaska’s tundra regions are the Aleut, Alutiiq, Inupiat, Central Yup’ik and Siberian Yupik. Originally nomadic, Alaska Natives have now settled in permanent […]