Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. This is an example of a reaction to what kind of stimuli?

chemicals

light

touch

sound

Abdul has to make an important phone call. unfortunately, his cell phone is not charged and he has to use his landline, which does not store phone numbers.

Which of the following experimental results does NOT support the idea that mitochondria arose by "endosymbiosis". a. Mitochondrial DNA forms a "satellite" when centrifuged on a density gradient. b.

Which food is an example of a developmentally appropriate food for a toddler?

All of the following affect the climate of an area except distance from the equator altitude distance from a large body of water amount of rainfall

If a mutation occurs in a gamete, which of the following is most likely to result? If the mutation occurs on a recessive gene, it will most likely be expressed. If the mutation is non-disjunctive, then it will not be passed on.

Identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from the presynaptic membrane?

According to the Hardy-Weinberg principle, genetic equilibrium would be more likely in a population of mice if :

True or false particles such as sand move in flowing water by

A minimum of how many minutes is need to achieve the benefits of Cardiovascular activity