Charles darwin is best know for developing his theory of evolution based on his observation of what characteristic?

a. the beaks of finches

b. the scales of snakes

c. the necks of giraffes

d. the trunks of elephants

Sofar was developed to: A. find enemy submarines B. map the ocean floor C. Predict high and low tides D. locate survivors at sea

Invasive species are destructive to an ecosystem because they Question 1 options: disrupt food chains take or destroy ecological niches out compete native species for limited resources all of the above

What provides clues about the ocean and climate including the type of marine life presented? A. the density, temp, and salinity of ocean water. B. the volume, density, and salinity of the ocean water C. the mass, volume, and density in ocean water D.

What is the correct order for the list of structures of the large intestine, starting at the cecum and ending at the rectum?

Tides describe the regular rising and falling of the ocean water. Tides are caused by 1. the rotation of the moon on its axis 2. the gravitational pull of the sun and moon 3. large storm systems over oceans 4. earthquakes on the ocean floor

Dna strands serve as which of the following during dna synthesis

Use the information from part c to determine how the operon is regulated for this genotype (i - p + o + z + y-).

A mutation occurs in the sex cells of a full-grown zebra. The mutation affects the genes responsible for producing blood proteins. What will most likely happen to the zebra?

Malignant tumors are classified according to A. how quickly they divide. B. how quickly they spread. C. the type of cells that give rise to them. D. the type of cells they are most likely to spread to.

Which of the following statements is TRUE about vitamin and minerals? a. Vitamin D is a water-soluble vitamin that is stored as hydroxycholecalciferol and released so that bones and teeth form normally. b.