Which part of a tree ecosystem would provide nesting materials for a bird or squirrel? hollow, tree trunk or twigs and leaves

Plants are considered producers true or false.

Give three examples of reproductive barriers AND Explain how these barriers could lead to speciation over a long period of time.

Vitamins can be taken in a pill form and can be used as a meal replacement. True or false.

In this theory of muscle growth, muscle fibers are able to split and create new fibers. a. hypertrophy b. hyperplasia c. atrophy d. none of the above

The only carbohydrate in the homemade fruit smoothie comes from naturally occurring sources of milk and fruit sugar.

Name two hormones that are also neurotransmitters using your knowledge

What characteristics of extremophiles make them valuable examples of what life might be like on another planet?

Which of the following structures does a flatworm expel solid waste

What is the main function of fruit

Describe logistic population growth from a small population to a large one. be sure you talk about the population growth rate (the numbers of individuals added to the population over time) and carrying capacity.