4. A biologist observed an organisr

conclude that the cell was prokaryo

A. It was large with a cell wall, unl

B. It had a cell wall and nucleus, u

C. It was very small with a nucleus

D. It had flagella and lacked a nuc

1) This is the process that releases energy by breaking down food molecules in the presence of oxygen

Plants have large central vacuole. What is the function of the central vacuole in plants? A) The central vacuole stores water. B) The central vacuole contains DNA. C) The central vacuole controls division of the cell.

The cause of Schistosomiasis is a

Which of the following are most likely to be keystone species in an ecosystem? A. small-bodied, primary consumers B. symbionts C. large-bodied, higher level consumers. D. producers

The giant land tortoises of the galapagos islands and sequoias of California, have among the longest life spans of any organisms this indicates that they likely employ a stategry of

Drag each label to the correct location on the diagram. Each label can be used more than once. An incomplete diagram of the rock cycle is shown below. Use the labels to correctly complete the diagram

Deepest place in the seafloor is called the

Monohybrid cross is made between plants that

Which statement best describes an aerobic heterotroph

What disease disables the bodys immune system?