The National Snow and Ice Data Center explains that different species of plants adapt to cold weather in a variety of ways, such as growing in forms that shed snow readily or by retaining dead leaves to help insulate the... More »

According to WebMD, cold weather does not cause illness, germs do. In fact, people who are cold are not any more likely to get sick than those who stay warm, says The Weather Channel. People tend to get sicker during col... More » Health Conditions & Diseases Cold & Flu

The human body has a homeostatic temperature regulation system, which means it tries to regulate temperature by producing heat or losing heat as needed. How the body adapts to cold depends on the intensity of the exposur... More »

Several plant species have heart-shaped, or cordate, leaves, including the aptly named String of Hearts plant and the Caladium. The String of Hearts is a succulent plant with long strands of fleshy, heart-shaped leaves. ... More » Science Biology Botany

The process of transpiration is when water moves through plants from the roots to the leaves, then changes to vapor as it leaves the plant. Transpiration cools the plant and also provides it with nutrients, carbon dioxid... More »

Botanists identify plants according to key characteristics such as the area in which the plant is growing, the shape of the plant's leaves, the type of bark or lack of bark and the presence or lack of fruit and flowers. ... More »

Photosynthesis, the process by which plants convert the sun's energy to glucose, takes place during daylight hours when the plant's leaves are exposed to sunlight. This process only occurs in green plants and in some pro... More »