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alexgriva [62]
3 years ago
5

Before constructing a hypothesis, a scientists must first

Biology
2 answers:
pychu [463]3 years ago
7 0

Answer: A. Make A Guess

Explanation: A hypothesis is a statement you test, first you have to come up with an idea or theory to test, which would then become your hypothesis.

Gekata [30.6K]3 years ago
3 0
B. Do background research
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Review the information from the link here, then answer the questions provided.
grin007 [14]

Answer:

umm..ok..hope these will help you..

  1. Left hemisphere
  2. Left hemisphere Right cerebral hemisphere
  3. Left hemisphere Right cerebral hemisphere The frontal lobe
  4. Left hemisphere Right cerebral hemisphere The frontal lobeOccipital lobe

8 0
2 years ago
What types of cell allows animals to quickly respond to the environment?
Marizza181 [45]

Answer: probably Nerve cells (for some)

Explanation: Nerve cells are also called neurons. Their function is to communicate with other neurons and the body. The adaptations of a nerve cell are dendrites with receptor proteins, an axon, myelin, synaptic terminals and neurotransmitters.

6 0
3 years ago
Planets, stars, and galaxies are composed of different forms of matter which material makes up the planets in Earth's solar syst
sasho [114]

Answer:

they all have solid cores of rock, metal, and maybe even ice, but these planets are totally enveloped in thick atmospheres of gas. Hydrogen and helium (the two lightest elements) make up most of the gases in the atmospheres of these planets

Explanation:

internet

7 0
3 years ago
How many Amino acids cannot be made by the body, so they must be obtained in the diet
stepladder [879]
Amino acids are the building blocks of protein. There are 20 amino acids that is present in our body where nine of them are an important component in your diet because they are not produced by the cells in the body. These are <span>leucine,</span> histidine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.
5 0
3 years ago
Why are open circulatory systems advantageous to some animals?
goldenfox [79]

Answer:

Open circulatory systems are advantageous to some animals because they use less metabolic energy.

Explanation:

Open circulatory systems are also known as lagoon circulatory systems. In this systems the blood is not necessarily always inside the blood vessels; It leaves the heart and will directly irrigate the organs and then return by other means or mechanisms.

So that it can be understood more easily, it is necessary to think about this system acting in organisms much smaller and less complex than mammals or any other vertebrate of greater size. As this animals doesn't have a great size, they need to use less metabolic energy than more developed organisms, so this system allows them to save metabolic energy to be used in other living functions.

6 0
3 years ago
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