Statistically, which woman is most apt to have a baby with low birthweight?

Four types of motile cells in human body?

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?