The author includes in lines 6–8 ("the first flowers may have been diminutive, odorless, nectarless, petal-less, aqueous, and pollinator-less") a description of what the "first flowers" may have been like ("the first . . . Pollinator-less") most likely to Choose 1 propose an alternative to traditional depictions of the first flowering plants. contrast ancient flowering plants with ancient nonflowering plants. provide a clue as to how flowers evolved from aquatic to land-based plants. reveal the evidence that helped botanists identify the fossils of early flowers.

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.