What would happen if catfish died off

In order for a population to evolve organisms in the population must have differences or?

Which three organ systems interact to obtain, process, and transport oxygen and nutrients to all of the body's cells?

In seed plants, what is an important difference between gymnosperms and most angiosperms? A. Gymnosperms rely on animals to carry pollen from the female gametophyte to the male gametophyte, while angiosperms rely on wind. B.

How are organic foods grown differently than non-organic foods?

Describe a short food chain in the ecosystem of your choice. (Make sure to include producers and at least two levels of consumers.)

How does sediment form? A weathering breaks down rocks and other material. B chemical changes cause sediment to cement together. C loose material is compacted by pressure. D molten rock cools below the earth surface

Which of the following are benefits of cardio exercise? A. Resting blood pressure decreases B. Energy levels increase C. The heart becomes more efficient D. All of the above

Describe what happens to an egg during the first 14 days of the cycle?

In an axosomatic synapse, neurotransmitter is released from?

A 9-year-old child who has cerebral palsy and scoliosis also is mentally challenged and blind. the child is incontinent, has contractures of the elbows and wrists, and sits in a customized wheelchair most of the day.