Place the items in order from lowest to highest degree of internal organization.

stomach, digestive system, epithelial stomach cell, stomach lining tissue.

The contractile vacuole is responsible for maintaining the water balance in many protists, like the Euglena above. Maintaining this water balance is an example of A. equilibrium. B. homeostasis. C. active transport. D. passive transport.

what are some limitations of modeling the flow of energy and matter in an ecosystem with a food chain?

Which of the following describes an object with elastic potential energy? A.) an iceberg floating in ocean water that is 35°F B.) a boulder teetering on the edge of a steep cliff C.) a bed spring that is pushed together with a weight D.

Which of the following is regarded as a density-independent factor in the growth of natural populations? a) emigrationb) intra-specific competitionc) predationd) inter-specific competitione) flooding

After a volcanic eruption has covered an area with lava, which of the following is the most likely order of succession in the reproduction of the are?

After mitosis, how many chromosomes with each daughter cell have

Which organelle stores genetic information? Chloroplast Golgi apparatus Nucleus Ribosome

Jane was involved in an automobile accident in which both her parents were killed. When you ask her about it, she says she has no memory of the accident. What ego defense mechanism is she using?

is a fungal infection in the mouth and throat, producing sore, creamy white, slightly raised curd-like patches on the tongue and other oral mucosal surfaces.

Scientists were able to determine the age of the earth from rock samples that were analyzed. What technique was used to do this