Which systems are involved with the breakdown and delivery of nutrients from recently eaten food to the cells and the removal of waste materials from the body? A. digestive, nervous, and endocrine B. excretory, skeletal, and digestive C. digestive, circulatory, and excretory D. excretory, circulatory, and nervous

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Diagram of the evolution of land plants?