Question

ter 7 HW wing Key Concepts: Reproductive Barriers ip 1. Some closely related species of snails cannot mate because their shells spiral in opposite directions, making it impossible for their reproductive organs to be aligned. 2. Although some closely related (but separate) species of salamander can mate with each other to produce offspring, the offspring fail to develop normally and cannot reproduce. hybrid 3. In North America, one species of garter snake lives primarily in the water, while another species lives primarily on land. Therefore, they rarely meet and mate tisolation 4. Certain species of plants require hummingbirds to transfer pollen from the male parts of one flower to the female parts of another flower. The shape of the plant flower is compatible only with the one species of hummingbird that transfers its pollen. 5. In the Galapagos Islands, birds called blue ted boobies will mate only after a specific "dance" is performed where a potential mate displays bright blue feet. 6. Within the open ocean, many species of sea slug release gametes simultaneously, but eggs of each species cannot be fertilized by different species sperm ofa 7. Male fireflies signal to females of the same species by blinking theirtail lights at a particular rhythm. Females only respond to signals sent by males of their species.

Answer 1

(1)Mechanical incompatibility

(2)Hybrid weakness

(3)Habitat isolation

(4)Behavioral isolation

(5)Behavioral isolation

(6)Gametic incompatibility

(7)Behavioral isolation