Why do certain traits exist within a population?

Traits confer some advantage.

Certain traits build up over time.

Each trait expresses variable fitness under equilibrium.

Traits usually result in sexual selection.

What does butterflies in the stomach mean reddit?

Which of these happens when translation takes place

Name and describe several factors limiting the spread of nonvascular plants such as liverworts, hornworts, and mosses.

Why can plants perform both respiration and photosynthesis?

Someone who has poor body composition resulting from excess weight is most likely to experience which disease? Skin disease Liver disease Urinary disease Gum disease

What is the primary form in which oxygen is carried in blood? as carbonic acid in plasma chemically bound to hemoglobin dissolved in plasma as a bicarbonate ion in plasma?

Is energy in fossil fuels is derived from the energy stored in plants and animal matter?

Bacteria on legumes are able to fix nitrogen from the air. True or false?

Which of the following is true about water? A. A water molecule has a overall positive charge B. A water molecule is polar C. A water molecule has more protons then electons

Which of these statements is false? 1. Cell processes affect the entire biosphere. 2. Cell processes affect all of bodily functions. 3. Cells are composed primarily of inorganic molecules. 4. Cells contain all four kinds of organic macromolecules.