An anthropologist finds a fossil in Africa that is 100,000 years old. To which species could the specimen belong?

Cell membranes are said to be selectively permeable. Which statement best explains what selectively permeable means?

Most terrestrial biomes are defined by their average annual temperature and precipitation

Why is convection more important than conduction in the troposphere? Halp lol

He electron transport chain (etc), or respiratory chain, is linked to proton movement and atp synthesis. select the statements that accurately describe the electron transport chain. choose all that apply.

What is bigger skin cell or coil bacterium

Why do plants have a greater disadvantage in unpredictable environments than animals?

The nurse is planning care for an older client with respiratory acidosis. Which intervention should the nurse include in this client's plan of care? A) Administer prescribed intravenous fluids carefully. B) Administer intravenous sodium bicarbonate.

Which layer of the sun is hottest

Transport protein that provides a tube-like opening in the plasma

While collecting samples of rocks, a scientist collects several that contain fossils. What is most likely the type of rock in the scientists sample? a. Metamorphic Rock b. Igneous Rock c. Sedimentary Rock d. Mineral Rock