Explain how linnaeus's classification scheme fit darwin's theory of evolution by natural selection.

In guinea pigs, black coat color is dominant over white coat color. The of a mating between two heterozygous black guinea pigs would probably show a phenotype ratio of

A group of cells, tissues and organs working together to perform a function is called a (n)

Write a sentence that explains how each pair of terms are related. 1. cystic fibrosis - mutation 2. biopsy - metastasis 3. carcinogen - melanoma 4. multifactorial disorder - heart disease 5. MRI scan - CAT scan

A sample of tissue has been observed to be tightly packed and regenerative. What type of tissue is the sample? A. epithelial B. connective C. nervous D. muscle

What two groups are minerals divided into based on their chemical composition

When a bird eats a small insect it can be considered a secondary consumer but what is the bird considered as when it eats seeds?

Desert animals, such as the kangaroo rat, need to conserve water. These animals have larger kidneys than do animals that live in moist environments and thus need not conserve water.

What is the function of a nucleus in a cell the nucleus A. controlls the cells activity B. the nucleus identifies the cell as belonging to a plant C. the nucleus determines what substances enter and leave the cell D.

Which best describes emerging scientific ideas? a. never been tested b. unpublished c. supported by most, but not all, scientists d. not studied by many scientists

A sonic boom is produced by a jet. What can you determine about the jet's motion? a) It is near a mountain where echos can be produced b) Its engines produced backfire c) It is increasing in altitude d) It is traveling faster than the speed of