PLEASE ANSWER QUICKLY NEED TO KNOW NOW, THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!10. Which of the following correctly states the relationship between hippos and whales?
a. Whales evolved from hippos.
b. Hippos evolved from whales.
c. Hippos and whales do not share a common ancestor.
d. Hippos and whales evolved from a common ancestor.

12. Think about the factors that will influence the evolution on humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection.
a. natural selection: genetic engineering; artificial selection: demands placed on the brain
b. natural selection: individual mating choice; artificial selection: diseases
c. natural selection: diseases; artificial selection: genetic engineering
d. natural selection: demands placed on the brain; artificial selection: diseases
16. Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change are mixed in with longer periods of little or no change. This pattern is called WHAT.
I think it is punctuated equilibrium, but not sure.
PLEASE ONLY ANSWER IF YOU KNOW THEY ARE CORRECT!!!!

Answers

Answer 1

Answer: 11. The answer is C.Hippos and whales do not share a common ancestor.
12. The answer is C.natural selection:diseases;artificial selection:genetic engineering.
16.Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change are mixed in with longer periods of little or no change. This pattern is called punctuated equilibrium.

♡♡Hope I helped!!! :)♡♡

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Biologists once assumed that the phenotype of a dominant allele would always be the most common phenotype in a population. Which finding led biologists to a different conclusion?

Answers

The answer is C. The discovery of those populations in which phenotype of recessive allele help a population survive.

At a synapse, adequate stimulation causes the presynaptic cell to release which of the following?Action potentials that bind to receptors on the postsynaptic cell
Neurotransmitter that bind to axons on the postsynaptic cell
Action potentials that bind to axons on the postsynaptic cell
Neurotransmitters that bind to receptors on the postsynaptic cell
I think this one is
d.

Answers

Neurotransmitters that bind to receptors on the postsynaptic cell

Synaptic Vesicles

The neuron, a cell that composes the nervous system. For example a brain, an organ composed of thousands of neural fibers and glial cells that performs many important organismic functions.
Neurons are specialised cells that have dendrites, axons and terminal buttons that sends and receives stimuli from the environment and transduces it into a meaningful information and understand the complexities which the brain now functions.

Answer:

neurotransmitters that bind

Explanation:

TOR kinases are enzymatic proteins found in a diversity of species, from yeasts to mammals. They serve in a phosphorylation cascade that promotes progression through the cell cycle. What evidence would confirm that eukaryotes share a common ancestor with regards to cell signaling pathways?

Answers

Answer:

By phylogenetic analyses

Explanation:

The target of rapamycin (TOR) is a major regulator of growth only found in eukaryotic organisms. The TOR pathway is known to regulate critical cellular processes including, among others, cell growth. The TOR protein is a kinase capable of activating translation by phosphorylation of the ribosomal S6 kinase (S6K) and the eukaryotic translation initiation factor 4E binding protein (4E-BP). In this regard, phylogenetic studies have shown that this pathway involves duplication events of ancestral kinases, as well as sub-functionalization of the S6K kinase.

A heterogeneous mixture is a

Answers

A heterogeneous mixture is a mixture in which the components of that mixture can be seen and taken apart easily.

Example:- Chex mix is a brand of chips/snacks that its components can be easily seen apart.

B. mixture in which its components retain their identity.

A wave creates a strong undertow. what kind of wave is it?a. tsunami
b.swell
c. long shore
d. deep water

Answers

I would say that it's B. But that is not for sure.

what does 50 percent humidity mean? A. The air contains 50 percent of the moisture it can hold before precipitation occurs B. There is a 50 percent change of precipitation C. The air temperature is 50 degrees celsius D. There is a 50 percent chance of a thunderstorm occurring

Answers

Answer: The correct answer is-

A. The air contains 50 percent of the moisture it can hold before precipitation occurs.

Humidity can be described as the presence of gaseous state of water (that is water vapor) in the atmosphere or air.

It indicates the chances of occurance of precipitation or fog in the weather.

50% humidity represents the relative humidity, indicating that air is 50% saturated with moisture, which could be held by air before precipitation occurs .

50% humidity indicates that before precipitation the air withholds 50% moisture and it is known as relative humidity.

Further Explanation:

The amount of moisture the air contains is defined by humidity. A particular amount of water vapor is present in the air which depends on the temperature of the air. The warmer air contains holds more water within it. The relative humidity is defined as the content of water vapor found in the air in relation to the amount it can actually hold. When the relative humidity is low, it implies that the air can comparatively withhold more moisture at that particular temperature and this makes the air dry.

For example, it is estimated that a cubic meter of air is able to hold 18grams of water as a maximum value at 20 degrees C. Similarly, at 25 degrees C, 22 grams of water can be held by the air. Therefore, if 22 grams of water is contained in a cubic meter of air at 25 degrees C, then there is 100% relative humidity. But if the same amount of air holds 11 grams of water, the relative humidity is said to be 50%.

The relative humidity plays a major role in maintaining our level of comfort. A 100% relative humidity means that there will be no evaporation of water and the moisture has fully saturated the air. For cooling, the body requires to evaporate the moisture from the skin. A low relative humidity enables the body to release moisture and make the body cooler. At 100% relative humidity, the body feels much hotter as compared to the actual temperature. This is because the body does not sweat to evaporate due to high humidity.

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Answer Details:

Grade: High School

Chapter: Relative Humidity

Subject: Biology

Keywords:

Humidity, relative humidity, water, water vapor, moisture, temperature, evaporation.

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