Which element of ecosystems is abiotic?

number of plant species per hectare

identities of predator and prey species

water in an aquifer

microorganisms in the soil

What is the purpose of biogeochemical cycles? What are the different types of cycles?

Which period makes up nearly all of the Cenozoic era?

A female client is admitted to the hospital with hypoglycemia, nausea, muscle weakness, and depression. what is the most likely cause

Which of the following statements about a controlled experiment is true

What kinds of materials can electricity not pass through

Which of the following is composed of two layers of lipids and protects the cell from the surrounding environment? Select one: a. cytoplasm b. cholesterol c. cell membrane d. carbohydrate

Predict how the thickness of cuticle and the number of stomata differ in plants from wet habitats versus dry habitats. drag the appropriate items to their respective bins.

Dementia is defined as

3 examples of mechanical weathering?

The following is a list of vessels. Place them in the order that blood would go through entering the systemic circulation. 1. Left ventricle 2. Aorta 3. Vena cavae 4. Pulmonary trunk 5. Pulmonary veins 6. Right atrium 7. Right ventricle 8.