2. Students notice that are falling leaves of a mahogany tree turn brown, but the leaves of a mango tree turn yellow. The students are making . A. a conclusion C. an inference
B. a prediction D. an observation

Which system revise and send electrical signals throughout the body

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.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they