BIOLOGY HIGH SCHOOL

What characteristic is shared by birds, salamanders, and sharks?a. Lungs
b. Jaws and paired appendages
c. Four limbs
d. Endothermy

Answers

Answer 1
Answer: d. Endothermy

Endothermy is a physiological characteristics that enables  some animals to control their body temperature unlike exothermics. This mechanism is important due to sudden change in temperature or uncontrollable conditions set by the harsh environment. 
So birds sharks salamanders and other related animals have this function.

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A viral STD that does not have a cure is _____. (1 point)gonorrhea syphilis chlamydia AIDS
A population of sixteen emu grew to thirty-nine in one year. After two years, the population had grown to forty-eight. The maximum number of emu that the environment can support is approximately sixty due to limited resources such as food and water. The carrying capacity of the emu population is?
A scientific argument will be considered invalid if the evidence supporting that argument is based ona. inconsistent data.b. independent data.c. unlimited results.d. controlled results.
The Earth is a unique planet in that it is covered by more than 70 percent water. There are several properties of water that make Earth a suitable environment for life, including how the density of solid water (ice) is about nine percent less than the density of liquid water. Which best explains why this feature of water is important for marine life?Ice forms from the bottom of the water column up, allowing organisms to freeze and enter hibernation. Ice forms from the top of the water column down, creating a protective barrier over the liquid water. The higher-density liquid water shelters organisms from cold air better than the less-dense ice. The higher-density liquid water traps nutrients for primary producers better than the less-dense ice.
One reason why people should be aware of the impact of their actions on the environment is that

Barnacles and whales have a commensalistic relationship in which barnacles benefit. What would most likely happen to the whale population if the barnacle population decreased? become extinct decrease increase stay the same

Answers

Answer: stay the same

Explanation:

Commensalism can be define as relationship between two organisms which lives in close association with each other. In this relationship one organism is benifited and the other is neither harm or benifited.

The barnecal is the lice which attach themselves to the whale skin which sucks the blood. But whale having a large body remain unaffected.

On the basis of the above description, if the barnecle population decrease than the whale population will remain the same.

IT WOULD STAY THE SAME

Katherine owns the trendy boutique where Clara works as a shop assistant. Deanne loves the clothes in Katherine's boutique and shops there often. Which of these three people is a consumer? Select one of the options below as your answer:a. Katherine
b. Clara
c. Deanne

Answers

Answer:

Option C, Deanne

Explanation:

Deanne  is the consumer out of the three. A consumer is one who consumes either goods or services. Deanne purchases clothes from the boutique of Katerine , thus she is the consumer.  

Katherines is the seller who is selling clothes in her boutique

And Clara is a paid employee employed by katherines in her botiques for assisting her in regular works.  

Thus, option  C is correct.

The answer is c. Deanne is the consumer since she is purchasing from Katherine's boutique. Clara is just a employee in the boutique. Hope this helps!

Which activity would be within the field of biology?a. measuring the amount of time it takes light to reach earth from the distant star
b. doing research how plastic affect the environment
c. study on the manufacture of plastic bags.
d. studying the mechanics of how ships release waste

Answers

(B) Doing research how plastic affect the environment is the activity that would be within the field of Biology.
Biology is the study of life. Environment includes the surroundings and the lives involved on it. Therefore, plastic affect both the surrounding and the lives of every living creature.

How can alternative practices lead to a reduced impact on waterways?

Answers

Answer : Alternative practices can lead to a decrease in pollution, erosion, and damage to waterways.

Explanation : Alternative practices will lead to reduced impact on environment and less damage would be caused to the present waterways. If the alternatives are environment friendly the pollution rate will get decreased and there will be lower amount of soil erosion observed.

Alternative practices have great effect on waterways especially if they are environment friendly.  They can help clean our waterways of filth and garbage.  In doing so, it makes water a cleaner and a source for drinking which important no matter where you are.

How many known STIs exist today?

Answers

There are more than 30 known sexually transmitted infections (STIs) that exist today.

Sexually transmitted infections (STIs), also known as sexually transmitted diseases (STDs), are infections that are primarily transmitted through sexual contact, including vaginal, or oral sex. They can be caused by bacteria, viruses, parasites, or other organisms. STIs can affect people of all genders and sexual orientations.

Some of the most common STIs include chlamydia, gonorrhea, syphilis, human papillomavirus (HPV), herpes simplex virus (HSV), human immunodeficiency virus (HIV), and hepatitis B and C. It's important to note that the number of known STIs can change over time as new infections are discovered or classified.

For more details regarding sexuallytransmitted diseases, visit:

brainly.com/question/8011160

#SPJ6
There are several STIs that have been discovered today, but only 14 of them are listed as common. Some of the common STIs included in the list are HIV, Gonorrhea, Syphilis, Trichomoniasis, Hepatitis, Chlamydia, Chancroid and Yeast Infection. Some of the STIs are curable but some are not. 

Charles darwin does what

Answers

Answer:

Charles Darwin is centrally important in the development of scientific and humanist ideas because he first made people aware of their place in the evolutionary process when the most powerful and intelligent form of life discovered how humanity had evolved.

Answer:

charles darwin basically does wiritng as he is an author. he is bascially a theriost too since he created the "theory of evolution' so charles darwin does wirting and he also creates theorys.

hope this helped -Johnny Joestar

Explanation:
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