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2 years ago

A controlled experiment is one in which _______ .

Biology

1 answer:

Lilit [14]2 years ago

7 0

Answer:

E) there are at least two groups, one of which does not receive the experimental treatment.

Explanation:

A controlled experiment is an experiment that is manipulated by the scientist to suits his methods. They are conducted to test a single variable at a time. It helps to minimize the random effect of wild environment on the experiment.

In a controlled experiment there are two groups; one group receive treatment in certain proportion it is referred to as controlled group while the other group are exposed to the standard environment known as experimental group.

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Abnormalities present in the cells that line the uterus may prevent the production of offspring by directly interfering with whi

Dmitry [639]

Answer: Implantation

Explanation:

The uterus is the main site for the implantation of the embryo. It is the place where the embryo spends 9 months in the mother.

When the male and female gamete combine they form a zygote. It gets implanted in the uterus and then there is cell division and the development of embryo takes place there only.

Any abnormalities in this region will interfere in the process of implantation.

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3 years ago

Can someone help me put selectively permeable in a sentence ?

erma4kov [3.2K]

Jimmy is looking really permeable today.

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3 years ago

Read 2 more answers

The muscular system is composed of tendons and muscles. Each muscle is made up of many muscle fibers. Muscle fibers are formed f

Korvikt [17]

These threadlike structures that form muscle fibers are called myofibrils.
They are very long fibers organized into myofilaments, that layer on top of each other to create myofibrils, which then layer in order to create muscle fibers, which then layer to create muscles, which they cover our entire body and make up the muscular system of organisms.

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2 years ago

Please help it’s due soon!!

Xelga [282]

Answer:

A - Muscle

B - Tendon

C - Cartilage

D- Ligament

E- Bone

Explanation:

The above are the parts of a musculoskeletal system.

The musculoskeletal system is actually known as an organ system which is made up of specialized tissues of the bones and skeletal muscles. The system consists of the bones of the body, muscles, ligaments, cartilage, tendons, joints and other connective tissues. These all work together in the musculoskeletal system to provide support for the body. They enable motion of the body and provide protection to vital organs in the body.

6 0

2 years ago

How did the oil boom impact higher education in Texas?

adell [148]

Answer:

C. Money from Texas oil helped fund the growth of both the University of Texas and Texas A&M into prosperous universities.

Explanation:

The "Texas oil boom" is also known as the "gusher age." It occurred in the early 20th century. This happened when a huge supply of oil reserve was discovered near Beaumont, Texas. This led to rapid development and industrialization in the area, including the field of education.

Upon the creation of the "Santa Rita oil well," the University of Texas (a public research university in Austin) and the Texas A&M ( a public research university in College Station, Texas) obtained revenue which helped fund for their growth. This made the two universities the wealthiest among many universities in the country.

So, this explains the answer.

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2 years ago