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kompoz [17]
3 years ago
14

What determines the similarities in physical features among organisms

Biology
1 answer:
Natali [406]3 years ago
7 0
Hello,

The answer is option C "<span>chromosomes and genes".

Reason:

The answer is option C because genes and chromosomes is what tells what a person looks like fur color, eye color, etc...

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit</span>
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19. How did the evolution of the jaw contribute to diversification of early vertebrate lineages? A) It allowed for smaller body
Dvinal [7]

The evolution of the jaw contribute to diversification of early vertebrate lineages is It made additional food sources available.

<h3>What is evolution?</h3>

Evolution is the shift in a biological population's heritable traits over successive generations. These traits are the result of genes that are expressed during reproduction and transferred from parent to offspring. Mutation, genetic recombination, and other causes of genetic diversity frequently result in different traits existing within a population. When these variations are subjected to evolutionary processes like natural selection (which includes sexual selection) and genetic drift, specific traits within a population start to become more or less prevalent. This is when evolution happens.

To learn more about evolution visit:

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6 0
2 years ago
Co2 is returned to the atmosphere by all methods except question 19 options: combustion. decomposition. photosynthesis. respirat
ICE Princess25 [194]
The answer is photosynthesis
7 0
3 years ago
Einstein's equation E=mc2 helps scientists understand the sun's energy because the equation
Ivahew [28]
<span>B. explains how mass can be converted into huge amounts of energy


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3 0
3 years ago
Describe what is happening during the female monthly cycle related to:
kakasveta [241]

Answer:

All women have to go through what is known as the menstrual cycle. This process allows a woman to be able to prepare for, and conceive, a baby, and carry him/her to full term. As such, there are a series of steps that the female body takes, both physically and physiologically, spurred by the rise and fall of hormones, to ensure the smoothness of the process and the possibility of conception.

The cycle is divided into 4 stages: the menstrual, the follicular, the ovulating, and the luteal stage. Each of them has a play of hormones that will play their part in helping the process be successful. These hormones are: FSH (Follicle Stimulating Hormone released by the Pituitary gland), LH (Luteinizing Hormone, also released by the Pituitary), estrogens, progesterone, and in the case of a pregnancy, hCG (Human Chorionic Gonadotropin, or the pregnancy hormone).

So, as to the question, the play of hormones, and how the cycle develops, would be like this:

1. Menstruation phase: After the late released egg is not fertilized during its timeframe of 24 hours, estrogen and progesterone levels drop, producing reactions in the body: the egg is sheded, the uterine wall lining is shedded, and blood, tissue and mucus comes out.

2. Follicular phase: Almost overlapping, the hypothalamus orders the Pituitary gland to start releasing FSH. This hormone will stimulate the ovaries to begin producing follicles, where the immature eggs are. Around 5 to 20 of them will begin getting matured for release. Only one, in rare ocassions 2, will end the process; the rest, will be reabsorbed by the ovaries. The follicle starts to release estrogens and progesterones that will signal the uterus to begin building up the walls with a lining rich in nutrients, in case of pregnancy.

3. Ovulating, or ovulation phase: As the maturation of the egg continues, the follicles get ready to release it into the fallopian tubes. As this happens, the Pituitary, stimulated by the rising levels of estrogens and progesterones, and by the work of the hypothalamus, releases LH, which will play a part not only in the final maturation of the egg, and the lining, but also in maintaining the levels of estrogen and progesterone so that a pregnancy is successful. At this point, the egg is released by the follicle and the process down the tube begins towards the uterus. It is here that pregnancy can take place.

4. Luteal phase: The follicle that releases the egg, becomes later on the corpus luteum, which will further produce estrogen and especially progesterone, to maintain the lining once the fertilized egg has implanted. If not, it will be reabsorbed and the declining levels of hormones will signal the body to initiate the menstrual phase.

6 0
3 years ago
What planet has a thick atmosphere that traps heat that cauaes it to be the hottest planet in our solar system
Yuki888 [10]

Im pretty sure its Venus

7 0
3 years ago
Read 2 more answers
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