A population of squirrels lived together in a forest. An event occurred that caused the population to diverge into two different species over a long period of time. Which of the following is most likely the event that occurred?

Answers

Answer 1
Answer: There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.
Answer 2
Answer:

Answer:

b

Explanation:

A natural disaster occurred that separated squirrels.


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The mental process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and evaluating information to reach an answer or conclusion is called __________.
Suppose that there is a town called Cellville. What cell organelle would have a similar purpose to the roads throughout the town?

How you do this and I need help

Answers

Consumers make up the
next trophic level; and must
eat other organisms to obtain
their energy. Consumers, in
turn, occupy different trophic
levels. Trophic levels of
common aquatic organisms
are shown in table 1.
Primary consumers are
herbivores, they eat plants.
In our aquatic ecosystem
example, zooplankton feeding
on phytoplankton occupy the
primary consumer trophic
level. Cattle are primary
consumers in terrestrial
ecosystems.
Secondary consumers,
represented by certain aquatic
insects are carnivores and
feed upon primary consumers,
the zooplankton.
Our example also includes
a tertiary consumer, the
largemouth bass that feeds
upon other carnivores.

Energy sustainability can best be achieved by using ______.

Answers

Following are the choices:

a. nonrenewable energy sources b. renewable energy sources

c. carbon sequestration d. recycled plastics

The correct answer is:

b. renewable energy sources

Explanation:

Renewable energy is energy that is obtained from renewable resources, which are naturally provided on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat. Renewable energy compares to the provision of energy via renewable sources which are simply replaced fast enough as being used.

If this question has the same set of options like the previous ones, here are the following choices:
a. nonrenewable energy sources        b. renewable energy sources
c. carbon sequestration                       d. recycled plastics

The answer would be: 
Energy sustainability can best be achieved by using renewable energy sources.
>
To create a sustainable future, we need to concentrate on renewable energy resources, such as wind power.

What is the difference between static and current electricity? give an example of each

Answers

Static Electricity - the word static means 'at rest' - this kind of electricity exists when objects separated by an insulator has a build up of opposite charges. Because the attraction between these charges is so strong, they can flow even through great insulators. Ex: lightning, friction

Current Electricity - it makes electronic devices possible. There is a constant flow of charges in this type of electricity. In contrast to static electricity, current electricity is changing, dynamic and always on the move. Ex: starting a car, watching TV, using an electric stove.

What is the purpose of a Punnett square?

Answers

A punnett square is most commonly used to identify traits that offspring would inherit from their parents. 

Many drugs can be applied to the skin without entering the blood. How is this fact explained by the structure of the skin

Answers

The skin is made of epidermis and dermis layer. The blood vessel can be found in the dermis layer, a layer below the epidermis. To reach the blood, the drug has to pass through the epidermis. 
Epidermis is a layer that made of keratinized squamous epithelial cell that located in the outer layer. The epidermis layer is strong and prevents movement of water, which makes them hard to be penetrated by drugs. If the drug doesn't have a good penetration, it will not reach the dermis, thus not reaching the blood vessel. 

Medicines which are applied on skin they penetrate into the skin through hair follicles or epidermis and then into the circulation.

Further explanation

Skin

It can be defined as the largest skin organ with an all-out territory of around 20 square feet. The skin shields us from microorganisms and the components, manages body temperature, and grants the vibes of touch, warmth, and cold.

Layers of skin

It comprises three layers which are following.

Epidermis

It is the first layer of skin and it is a waterproof obstruction that gives skin its tone. Dead cells are shed consistently from the epidermis as new ones have their spot. Every day 500% million skin cells are shed by us. Indeed, the furthest pieces of the epidermis comprise of 25–30 layers of dead cells.

Layers of epidermis

  1. stratum corneum
  2. stratum lucidum
  3. stratum granulosum
  4. stratum spinosum
  5. stratum germinativum

Dermis

It makes sweat and oil, gives sensations and blood to the skin, develops hair. It is connective tissue, and it shields the body from anxiety It gives the skin quality and versatility. On the off chance that the dermis is extended a great deal, for example, during pregnancy, the dermis can be torn, and this appears as supposed stretch imprints.

It comprises two layers

  1. Papillary region
  2. Reticular region

Subcutaneous tissue

It joins dermis to the body, controls body temperature, stores fat. The most profound layer is called subcutaneous tissue, the hypodermis. It isn't actually part of the skin however appends the skin to hidden bone and muscle. Subcutaneous tissue likewise gives skin nerves and blood supply.

Absorption through skin

Drugs penetrate from the external surface of the skin both into the skin. Skin assimilation identifies with the level of introduction to and conceivable impact of a substance which may enter the body through the skin. Human skin comes into contact with numerous operators deliberately and accidentally. Skin assimilation can happen from word related, ecological, or shopper skin introduction to synthetic concoctions, beautifying agents, or pharmaceutical items.

Answer details

Subject: Biology

Level: High school

Key words

  • Skin
  • Layers of skin
  • Epidermis
  • Layers of epidermis
  • Dermis
  • Subcutaneous tissue
  • Absorption through skin

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A television viewership ratings company conducted a survey to rate the local television channels of a particular town. The town had a total population of 5,000 residents, and the survey was conducted by randomly selecting two groups of 400 residents each. Each resident who participated in the survey voted for his or her favorite channel. The results obtained are given in the table shown below. Channels Group A Group B
Channel 1 96 84
Channel 2 143 169
Channel 3 84 76
Channel 4 77 71
Which of the following statements about the data above is true?
A. The estimated number of residents who would have voted for Channel 1 is higher for Group A than Group
b. B. The estimated number of residents who would have voted for Channel 3 is higher for Group B than Group
a. C. The estimates for both groups show an equal number of residents would have voted for Channel 1.

Answers

The answer is A. the estimated number of residents who would have voted for channel 1 is higher for group A than Group B.