Which of the following makes up the largest portion of the hydrosphere?

1. air

2. the oceans

3. the continents

4. photosynthetic organisms

Large curves in rivers are called: a Floodplains b Oxbow lakes C Curvets d Meanders

Does chromosomal replication produce two identical sister chromatids?

Which of the following statements does NOT correctly describe tissue perfusion in the cardiovascular system? a. Perfusion of the kidneys is important for urine formation. b.

Which option correctly defines a scientific argument? a) a type of reasoning that moves from general to specific explanations b) a logical description of how data-based evidence supports or does not support a hypothesis c) a type of reasoning that

Why does photosynthesis require light to occur? a. Cellular respiration produces light b. Light adds energy and photosynthesis is endothermic c. Light adds energy and photosynthesis is exothermic d. Photosynthesis produces light

What are two ways that organisms gather information about their environment

How do the endoplasmic reticulum and Golgi bodies work together

What sturcture protects the genetic material from the rest of the eukaryotic cell?

1. This subatomic particle with the smallest mass ... A. proton B. neutron C. electron 2. The fastest moving particle ... A. proton B. neutron C. electron

On the average, the Neanderthals were physically: a. taller and thinner than modern humans b. much more lightly built than modern humans c. shorter and more muscular than modern humans d. probably weaker than modern humans e.