Lipids are used in living organisms. Circle the appropriate answer (s). A. as parts of biological membranes B. to store energy C. to regulate chemical reactions D. as chemical messengers

For which resource are cacti most likely to compete? (1) air (2) water (3) space (4) sunlight

Slow cooling magma or lava often results in the formation of

Which words or phrases identify common types of map projections? Check all that apply

Which kind of organism is a heterotroph? A. Photosynthesysers B. Producers C. Consumers D. Plants

Compare and contrast homologous and analogous structures

What are seven places that carbon exists?

What's the mass of a double mint gum?

Which phase of meiosis I is responsible for dividing the cytoplasm? - prophase I - metaphase I - anaphase I - telophase I

Phrase to make it true. 1. Gene regulation is the ability of an organism to control which genes are transcribed.

Which of the following are tenets of the cell theory a. cells are the building blocks of life b. cells all arise from pre existing cells c. cells are the basic living units of structure an function d. all of above