Which key morphological feature is used to classify organisims as mammals? a. the presence of fur  b. mammary glandsc. two-legged upright postured. fertile offspring

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

What are the characteristics of carbon bonds? check all that apply.