A specific type of oyster is found in North American fossil beds dated to 100 mya. If similar oyster beds are found in European rock, in layers with a novel type of barnacle fossil, which statement is true about the barnacles

Which of these resources is used worldwide to make construction products, pottery, and porcelain

Which muscle is responsible for inhalation ?

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.