The colorado plateau is an example of what mountains

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.