What two weather condotions are needed for a tornado to form

In a numbers pyramid, which trophic level usually has the smallest numbers? A. producer B. primary consumer C. decomposers D. tertiary consumer

A gamete having more than one complete set of paired chromosomes

Why is it misleading to say that a person suffers from blood pressure?

A 10-year-old child was struck by a car while crossing the street. he has bilateral femur fractures and a head injury. his father has been notified and is 20 minutes away from the scene. the emt should:

The study of living organisms and their origins A. Abiogenesis B. Mutation C. Philosophy D. Biology

What organelles contain functioning ATP synthetase complexes in their membranes?

Which of these would have the most immediate effect on the ability of a plant cell to carry out photosynthesis? A) change in soil pH B) increasing air temperature C) reduction of light intensity D) increasing atmospheric humidity

Which planet is farthest from the sun since Pluto is no longer considered a planet?

7. A type of cell division that results in diploid cells: [meiosis / mitosis

Blood groups in humans are inherited with the alleles for type a and type b acting in a co-dominant manner, and both a and b are dominant to type o. if two parents with type b blood have a type o child, the genotype of the father must be: