BIOLOGY MIDDLE SCHOOL

Which is an example of a population?A. all the red tailed foxes in the meadow
B. all the individuals making up a species
C. one blade of grass in a prairie
D. each goose in a gaggle of geese

Answers

Answer 1
Answer: Well lets see here, The definition of population is a particular section, group, or type of people or animals living in an area or country. So it would be D.

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A heterozygous round seeded plant (Rr) is crossed with a homozygous round seeded plant (RR).What percentage of the offspring will be homozygous dominant (RR)? _______

Answers

The percentage of plants that have the dominant RR is 50%.

According to Mendel, factors of inheritance called genes are located in the chromosomes. Genes usually occur in pairs called alleles. The genes in an allelic pair may be dominant or recessive. The dominant gene is always expressed while the recessive is only expressed in the absence of the dominant gene.

Using a Punnet square, we can see that the percentage of plants that have the dominant RR is 50%.

Learn more: brainly.com/question/20906233
So I don’t see answer choices here, but your answer is 50% of the offspring will be homozygous dominant with RR, and 100% of them will carry a homozygous dominant gene of Rr

If you take the two sets and put them into a punnett square, it would look like this (image attached):

When the two sets of alleles are crossed, you would end up with half of your pairs being fully dominant (RR), and the other half being dominant while containing a recessive gene (Rr). Since there’s only one recessive gene in these pairs, it gets overridden and the pair itself is dominant.

So your answer is 50% will be homozygous dominant with RR!

Describe three ways in which science benefits society.

Answers

Science benefits society because of...

1) Without Science we mainly would not know the functions of our own bodies and how things work, and what we reject.

2) We would not be able to formulate cures for our diseases or sicknesses because of the lack of knowledge of the body.

3) We would not know the pure ethics of nature and how it works, who it feeds, and what it does.

Hopefully that helped! Message me if you need more help, thanks! :)
Without science we would not know how things work

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?Question 5 options:

A There are no planes of weakness in its lattice structure


B It's not a naturally occurring substance


C It's too new to be a mineral


D It would not be hard enough

Answers

B It's not a naturally occurring substance

Minerals are naturally occurring substances that form in geological processes. Since the scientist created this rock-like substance in a laboratory, it wouldn't be classified as a true mineral because it didn't occur naturally in the Earth's geological processes.

The reason why a new rock-like substance created in a laboratory would not be classified as a true mineral is because it does not meet one of the essential criteria for being considered a mineral: being a naturally occurring substance.

Minerals are formed naturally through geological processes over long periods of time. They are typically found in the Earth's crust or other natural environments. However, the substance created in a laboratory is artificially synthesized, meaning it is made by humans in a controlled setting rather than being formed naturally.

For example, if a scientist combines different chemical compounds in a lab and creates a rock-like substance, it may have similar physical properties to a mineral, such as hardness or color. However, since it was intentionally made by humans, it does not qualify as a true mineral.

Therefore, the correct answer is B: It's not a naturally occurring substance

How is negative feedback related to homeostasis

Answers

Answer:

Negative feedback occurs when a system's output acts to reduce or dampen the processes that lead to the output of that system, resulting in less output. In general, negative feedback loops allow systems to self-stabilize. Negative feedback is a vital control mechanism for the body's homeostasis.

What's another word for genetic variation

Answers

I would say genetic diversity. Hope this helps!!
Genetic diversity! Is the only other ican think of

3. How do scientists share their results with the scientific community?

Answers

Answer:

A scientist needs to share his work with the scientific community in order for it to be recognized. The ways in which scientists can share their results are:

  • The scientists can publish their work in journals. Journals are the best method to communicate a scientists work with the scientists of the world. Even some journals have the criteria to publish only peer-reviewed articles so that  the work is highly authentic which is being published.
  • Scientists can also present their work at different conferences. Scientists from the world gather up for these conferences.
  • Scientists can also present their works to the media or to the universities.

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