Flowering plants were the first plants to A. leave a fossil record.

B. develop vascular tissue.

C. engage the help of pollinators.

D. produce seeds.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Which represents a negative impact of technology

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above