In order to retain heat, what occurs in the skin on a cold day? blood vessels of the dermis constrict. blood vessels of the dermis dilate. blood vessels of the epidermis constrict. blood vessels of the epidermis dilate.

Why do fluctuations in abiotic cycles have an impact on living organisms and on ecosystems as a whole? << Read Less

A patient is suffering from pain in the right hypochondriac region of the body. which organs might be located in this region?

What was one of the goals of the headright system? A. to give more power to the governor of a colony B. to centralize the government of a colony C. to increase the population of a colony D. to make a colony more democratic

Which disorders can be caused by inbreeding

When a plant is place in pure distilled water its cell will?

When you look out the window, you can see constantly moving air. air is cycled in order to reach equilibrium. B) since these change the density of air and we know the air flows from the region of high density to the region of low density.

What effects do deforestation have on the animals?

Which best defines a diploid cell during meiosis? a cell that has double the number of chromosomes as the parent cell a cell that has half the number of chromosomes as the parent cell a cell that has double the number of chromosomes as the daughter

What is the best definitionof magnetosphere? a. a magnetosphere is a magnetic field around earth. b. a magnetosphere is the groups of atoms that are lined up inside a magnet. c.

True or false: tertiary sources can draw from, or summarize, a secondary source.