What is the main cause for variation of abiotic and biotic conditions on a mountain?

What epidermal layer consists of multiple layers of living keratinocytes and scattered dendritic cells?

Which alternative for bagging groceries is the best way to conserve natural resources? Use only paper bage. O Use only plastic bags, O Use a mix of paper and plastic bags, O Bring your own reusable bags.

What is the Earth's core made of

Form an opinion: How might life be different if we didn't manipulate naturals resources to manufacture synthetic products?

What organisms does not have kidneys

What processes can increase the genetic diversity of bacteria and other prokaryotes? Conjugation, transduction, and mutations Conjugation, meiosis, and cloning Binary fission, mitosis, and cloning Binary fission, meiosis, and mutations

This is a process by which water is brought into the water table to replace water that has been taken out through wells A. Replenishment B. Recharge C. Deposition D. Rain

Animal cells have all of the following except

Which of the following is not mechanical energy? A. Kinetic B. Chemical potential C. Gravitational potential D. Elastic potential

The health of a pigeon guillemot bird is similar to the overall health of he sea where they live True or false?