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loris [4]
3 years ago
13

Help me hellllllllp 20 points

Biology
1 answer:
Firdavs [7]3 years ago
7 0

B. the reason why scientists do he experiment more than once is because they have to compare the first attempt and the second attempt . Because if they are different they have to figure out what id the different or aka what is different. hope this helps ;)

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Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
miv72 [106K]

Answer:

The dendrites are important for receiving action potential or other stimulation in order for neurons to become activated. Dendrites are electrical signals that receive extensions of the cytoplasm. These signals come in two fundamental forms: inhibitory and excitatory.

Explanation:

3 0
3 years ago
Read 2 more answers
Which statement correctly describes a chemical reaction?
11111nata11111 [884]

Bonds between atoms break and new bonds form correctly describes a chemical reaction

<u>Explanation:</u>

The process of resetting the integral fragments of the reactants to produce diverse items as outcomes is termed as a chemical reaction. Effects transpire when pair or further particles fuse and the particles transfer. Bonds between atoms are split and designed to develop new fragments.

Chemical reactions need to be separated from physical alterations. The physical aspects of a thing will vary during physical conversion befalls, still the chemical identification will endure the equivalent. Chemical bonds are formed or split to formulate a unique molecule. Individual reactions often occur as part of a broader list of reactions.

7 0
3 years ago
Choose all the right answers.
jeka57 [31]
A plant begin to produce its own food in the following cases:
-when the first leaves are formed
-as soon as photosynthesis starts

Even the little new seeds grown-up from the food reserves, but start making their owm food as they see sunlight
4 0
3 years ago
With the aid of the geological time chart, write comparatively on chordate evolution through time​
snow_lady [41]

Answer: <em>Punctuated equilibrium is the hypothesis that evolution occurs at an irregular rate through geologic time.  </em>

<em>Hope this helps. </em>

Hope this helps

<em>much love !!</em>

6 0
3 years ago
The process of meiosis increases genetic variation when genetic information is exchanged during crossing-over and when alleles a
postnew [5]
The correct answer is random fertilization.
Together with crossing over and independent assortment, random fertilization represents the way by which sexually reproduction contributes to genetic variation. <span>Random fertilization refers to the random event of fertilization when there is no way in knowing which sperm will fertilise which egg (64 trillion possible combinations of genes that can occur during fertilization). Any sperm cell from the male can fuse with any egg cell from the female.</span>
6 0
3 years ago
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