Which of these is an organism?

a herd of sheep

a wolf

a drop of water

a heart

Which of the following can cause an increase in density that result in a deep ocean current? The sun heats the water's surface. Warm water loses energy to its surroundings and cools. A warm wind blows across cold water.

Enzo is developing a model of the electron transport chain. What is the role of ATP and NADH in the model? A ATP and NADH provide the energy for electron transport to occur. B.

Describe the function of each of the following in protein synthesis: rrna, mrna, trna

What are four things that are necessary for selective breeding to occur successfully?

A scientist completes a new investigation and announces that she has developed a new theory. Which of the following statements is most likely true about her investigation A. She discovered a law of science B. She has consensus on a new theory C.

The taxonomic classification category that contains the least number of different organisms is __. family species kingdom domain Biological Taxonomy is the science of a.) naming everything b.) comparing the molecular clocks between organisms c.

Tyrrell wanted to measure the growth of tomato plants in response to different types of fertilizer. Which tool would be most accurate?

In guinea pigs, black fur is dominant and white fur is recessive. A homozygous dominant black guinea pig is bred with a homozygous recessive white guinea pig. The dominant allele is represented by F, and the recessive allele is represented by f.

Is Antares or vega hotter than the sun

How do levels of acid rain and so2 emissions relate to each other