Biology, 03.08.2019 07:00 ashvinmsingh

Carlos is conducting an investigation in which he changes one variable and measures how it affects another. he also has one group that does not receive the factor being tested. what type of investigation is carlos conducting?

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Carlos is conducting a controlled experiment. A controlled experiment is a scientific test where only one variable is changed and there is a group of subjects (named the control group) that is not receiving the factor that is being tested. The group of subjects receiving a treatment or the factor which is being tested is called the experimental group. The variable which is different between the control and the experimental group is the independent variable. The dependent variable depends on the independent variable and represents the response that we observe as an outcome of our experiment.

Answer from: Quest

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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increase soil erosion reduce soil erosion

cattle grazing hydroseeding

deforestation contour plowing

planting vegetation

plant roots basically hold the top soil

together and stop soil erosion because

in such situation top soil is not removed

during flood but cattle grazing causes

soil erosion because cattle consume the

grasses and herbs and top soil is exposed.

same situation occurs because of

deforestation, the trees and plants are cut

down to expose top soil which causes soil

erosion

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Carlos is conducting an investigation in which he changes one variable and measures how it affects a...

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