Which gas does the blood carry as it moves from the heart to the lungs?

oxygen

carbon dioxide

carbon monoxide

What is the reason why animals migrate?

On a level surface, it is best to pull rather than push heavy objects. True or false?

Salinity of ocean water is only determined by the temperature of the water

What specialized neurons detect stimuli like light and sound? a. motor neurons b. axons c. thalamus and hypothalamus d. sensory receptors

Determine which of the following plants are monocots and which of them are dicots. Pansies Hydrangeas Sunflowers

Mendel's law of independent assortment has its basis in which of the following events of meiosis I?

Describe a procedure humans may have used to produce broccoli, which has small flowers and thick stems?

In the United States, mothers who live in poverty generally have babies with lower birthweight than those who do not live in poverty. The mean birthweight for babies born in the U. S. to mothers living in poverty is approximately 2800 grams.

Hypothesis on whether radiation has the same impact on coastal, forest, and desert areas

In a family is affected by a genetic disorder the son in the family has the same diseasebut the daughters do not have it