Contains DNA that regulates the functions of the cell

What is the first structure to prevent water loss in the leaf called

Which element in period 3 of the periodic table is the strongest reducing agent?

Which of the following is NOT true of greenhouse gases? a. They absorb Earth's radiation. b. They are produced solely by human activities. c. They are transparent to incoming solar radiation. d. They include carbon dioxide and water vapor.

Which factor would contribute to a high-risk pregnancy?

Repeated flooding of streams and rivers will form natural levees alluvial fans deltas eutrophication

What are the 2 elements involved in the sun's production of energy?

The biggest risk factor for the development of skin cancer is excessive exposure to ultraviolet radiation from sunlight. Exposure to UV light in a tanning booth is safer. Is this statement true or false?

Which of these sets of physical characteristics is used to classify animal groups? A. body size B. number of legs C. body cavity type D. method of reproduction

Explain how temperature and amount of precipitation can affect the type of plants and animals found in the grassland biome?

What is unusual about organisms in the domain Archaea? 1 - They live in extreme environmental conditions 2 - They are very large 3 - Their rate of reproduction is very fast 4 - They are complex, multicellular organisms