What is the definition of energy?

a) melting, freezing, evaporating

b) the ability to create a new substance

c) the ability to work

d) anything that bring about change

Which process brings energy to the biosphere?

Why do cells contain both macromolecules and small carbon compounds

Describe two ways in which genetic recombination occurs during meiosis.

Organic catalysts are called polysaccharides. True False

How does soil quality affect the characteristics of ecosystems?

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.