A birdwatcher wants to identify an eastern bluebird. What feature of a bird should the birdwatcher evaluate first to identify an eastern bluebird?

Answers

Answer 1

Explanation:

In this case, I would suggest looking at the overall color of the bird as well as notable color patches on the wings, tail, or the head.

Also note whether or not the edges where colors meet are blurred or smooth/blended.


Related Questions

a. Viruses reproduce using a ______ _____.



b. What are the differences between proviruses and viral DNA?



c. Why is the common cold virus so difficult to cure?

Answers

Answer:

Viruses reproduce using a host cell

The differentce between proviruses and viral DNA is A provirus is a virus genome that is integrated into the DNA of a host cell. In the case of bacterial viruses (bacteriophages), proviruses are often referred to as prophages. However, it is important to note that proviruses are distinctly different from prophages and these terms should not be used interchangeably.

Common cold virus is difficult to cure because Unfortunately, antibiotics — medications that treat bacterial infections — cannot treat or cure a common cold. That's because colds aren't caused by bacteria. Some people report that they've had a cold, took antibiotics, and felt better after a few days of the medication.

Explanation:

In what parts of the body would you expect oxyhaemoglobin to be breaking down to oxygen and haemoglobin ?

Answers

Answer:

Haemoglobin binds with oxygen in body locations where the oxygen concentration is high (in the lungs) and forms oxyhaemoglobin. Blood with a high concentration of oxygen is described as oxygenated

1. The burning of fossil fuels contributes to all of the following ecological problems except for:
A. ozone depletion
B. global warming
C. acid rain
D. air pollution

Answers

The burning of fossil fuels does not contribute to ozone layer depletion.

The burning of fossil fuels leads to the release of gases such as oxides of nitrogen, sulfur, and carbon as well as particulate matter such as smoke, ashes, etc.

The oxides released from fossil fuel burning can cause global warming (carbon dioxide), acid rain (SO2), and air pollution (particulate matter).

Ozone layer depletion is caused by pollutants such as halocarbons, solvents, etc.

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All sugars are considered:

a carb

a fat

just sugars

a lipid

Answers

Answer: fat......................................

All sugars are considered as fat.

can someone please help me on this all u have to do is search up on the internet and then write 4 facts that are mentioned in the web site  and give the main idea to but make sure I know were the main idea is

please help Im begging you and if u cant help then please dont Answer
this is the web site (5 reasons to bring back extinct animals)​

Answers

Answer:: De-termination could offer experiences into development and normal assets that are at present inaccessible to us.

2: Compromised or harmed biological systems could be reestablished with the assistance of specific now-wiped out species.

3 In the event that  people  drove plant and creatures species into termination, maybe we owe it to these species to attempt to bring them back.

4 De-elimination could be a major advance forward for hereditary designing.

There are loads of valid justifications to bring back wiped out creatures. All creatures perform significant jobs in the environments they live in, so when lost species are returned, so too are the 'positions' they once performed. Wooly mammoths, for instance, were nursery workers. ... It very well may be something similar for other de-wiped out creatures, as well.

Zeroing in on de-elimination could think twice about by redirecting assets from protecting environments and forestalling more current eradications. It could likewise diminish the ethical load of annihilation and backing for imperiled species, sending the mixed signal that resuscitating a wiped out creature or plant is trifling

im not sure if im right or if this is even close but i hope this helps of it doesn't i am so sorry

Explanation

.
What do flagella help a Eubacteria do?

Answers

Flagellum is primarily a motility organelle that enables
movement and chemotaxis. Bacteria can have one
flagellum or several, and they can be either polar (one or
several flagella at one spot) or peritrichous (several
flagella all over the bacterium).

Answer:

flagella helps them Move.

Explanation:

Do you think people should be able to patent DNA? Should people have the right to trademark their own DNA? Explain why or why not.

Answers

Yes because dna is a food made from the pressed curds of milk.
"grated cheese"





2.
INFORMAL
the quality of being too obviously sentimental.
"the conversations tend too far toward cheese"
Feedback
Translations and more definitions a food made from the pressed curds of milk.
"grated cheese"





2.
INFORMAL
the quality of being too obviously sentimental.
"the conversations tend too far toward cheese"
Feedback
Translations and more definitions

What must organisms be adapted to so that they can live in an estuary?
both low and medium salt concentrations
medium and high salt concentrations
high salt concentrations
low salt concentrations

Answers

Answer:

Both low and Medium salt Concentration.

Two key adaptations they have are the ability to survive in waterlogged and anoxic (no oxygen) soil, and the ability to tolerate brackish waters.

Hope this helps !!

Answer:

both low and medium salt concentrations

Explanation:

took the test

complete the crossword puzzle below.

down
1. a fat molecule is composed of _____ And 3 fatty acids.
2. means that hydrogen has been added to unsaturated fats
4 a large molecule whose main function is energy storage
6. unsaturated fats have move _____ bonds than saturated

UP
3. lipids are water-avoiding or _____
5. female and male hormones are example of ____
7. animal fats are said to be ____
pa help Po plss​

Answers

Answer:

1 down  hydroxyl

2 down Hydrogenation

4 down lipids

6 down

3 up

5 across androgen

7 up

Explanation:

that is all ik

Taste action potentials move through cranial nerve number ____ to the brain.

Answers

Answer:

Cranial Nerve #9

Explanation:

Cranial nerve number 9 is also called the glossopharyngeal nerve. Taste perception is really cool I recomend studying this topic well!

What is one of the results of an increase in the amount of greenhouse gases in the atmosphere?
А
increased overall ocean salinity
B
decreased global polar ice melting
с
increased overall atmospheric humidity
D
decreased global surface temperatures

Answers

Answer:

C) Increased overall atmospheric humidity

Increasing overall atmospheric humidity is the result of an increase in the amount of greenhouse gases in the atmosphere. Therefore, option C is correct.

What are greenhouse gases?

The gases that trap heat in the earth's atmosphere are referred to as greenhouse gases. The earth's surface warms during the day when the light beams through the atmosphere. The earth's surface cools at night, redistributing heat into the atmosphere. However, part of the heat is captured by the atmosphere's greenhouse gases.

Due to minute concentrations of water vapor (H2O), carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) in the atmosphere, the Earth has a natural greenhouse effect.

Increasing overall atmospheric humidity is the result of an increase in the amount of greenhouse gases in the atmosphere. Therefore, option C is correct.

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How does natural selection change the frequency of genes or traits over many generations? Biology students conducted an experiment mimicking genetic variation and coloration. Students used different colored beans to represent animals that might be prey: mice, for example. A student in each group was the predator: a hawk. Beans (mice) were randomly scattered on multicolored floor tiles, each color within four tiles. The hawk collected mice (beans) for 10 seconds. Mice not eaten reproduced. Three generations of data a shown in the table.
Genetic variation helps to drive natural selection and potentially, evolution. Red, white, and striped beans (mice) represent offspring that are the product of meiosis and sexual reproduction. Black and speckled beans (mice) are the result of mutations. Using the student data analyze the effects of these mutations on natural selection.

A) The color mutations provided a survival advantage to these two populations of mice.

B) The advantage of the mutations is dependent on the environment and external conditions.

C) While mutations provide genetic variation they did not play a role in natural selection.

D) The speckled mutation provided an advantage while the black mutation was a disadvantage for survival.

Answer:
D) The speckled mutation provided an advantage while the black mutation was a disadvantage for survival.

Answers

The speckled mutation provided an advantage while the black mutation was a disadvantage for survival.

Natural selection refers to the observation that organisms that are more suited and adapted to their environment live long enough to survive and reproduce thereby passing on their favorable characteristics to their offspring.

The mutation in which the mice became speckled was shown to be an advantage from the table. Hence, the speckled mutation provided an advantage while the black mutation was a disadvantage for survival.

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What is dead air in zoology?

Answers

Answer:

the volume of air that is inhaled that does not take part in the gas exchange

dead space would be the the volume of air that is inhaled that does not take part in the gas exchange dead air is a period of silence especially during a broadcast.

What is the main function of nucleic acids?
A. provide genetic information
B. long term energy
C. short term energy
D. build muscle, hair, and nails

Answers

the answer is a they provide storage of genetic information

Plant and Animal Cells
Which part of the cell is responsible for controlling the activities of the other parts of the cell?
O Nucleus
O Cell Membrane
O Vacuole

Answers

Answer:

Nucleus

The nucleus controls all the activities that happen in the cell

The biome immediately south of the Taiga is the ______.
(A) Temperate deciduous forest,
(B) Savanna
(C) Tundra
(D) Chaparral.

Answers

Answer:

tundra

Explanation:

Mosses and trees are both what?

Answers

Answer: D. (Mosses and trees are both plants.)

Explanation: Since mosses are non-vascular plants and trees are vascular plants, and mosses and trees are both not seed plants, mosses and trees are both plants. (Hope this helps! :D)

a change in the base pairs is called a what?​

Answers

Answer:

Hey mate.....

Explanation:

This is ur answer.....

Substitution is a type of mutation where one base pair is replaced by a different base pair. The term also refers to the replacement of one amino acid in a protein with a different amino acid.

Hope it helps!

Brainliest pls!

Follow me! :)

Answer:

Substitution is a type of mutation where one base pair is replaced by a different base pair. The term also refers to the replacement of one amino acid in a protein with a different amino acid.

Explanation:

Pls, help with science (:

Answers

what can i help u ask me if i can i will say you

At which temperature could air hold the most water vapor?
A. 2°C (36°F)
B. 24°C (75°F)
C. 35°C (95°F)
D. 13°C (55°F)

Answers

Answer: C: 35° (95°F)

Explanation: The hotter the temperature, the more water vapor air can hold.

Which process involves a cell interpreting DNA?
A- Fertilization
B-Photosynthesis
C-Protein synthesis
D-Cellular Respiration

Answers

C, this is the only process in which DNA is interpreted

Which adaptation is common to animals that live in temperate grasslands?
structures to dig burrows
keen eyesight to help them see in the evening
a thick insulating layer of fat
large ears to regulate body temperature

Answers

Answer:

This is 100% right.

Explanation:

Temperate grasslands are characterized by vast expanses of open grasslands with few trees and shrubs, so structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is preset in the first option.

What are temperate grasslands?

Temperate grasslands are biomes characterized by vast expanses of open grasslands with few trees or shrubs. These ecosystems experience a wide range of temperature fluctuations between seasons, with hot summers and cold winters. As a result, animals that live in temperate grasslands have evolved adaptations that enable them to survive in this challenging environment. One of the most common adaptations of grassland animals is the ability to dig burrows. Burrows provide shelter and protection from predators, as well as a stable microclimate for animals to live in.

Hence, structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is present in the first option.

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i need help with understanding what this is

Answers

What Is There Is Nothing No Picture Or Problem So Can Anyone Help If Nobody Knows What Your Talking About

Which statement best identifies a central idea of this text?Issues with the Articles of Confederation"

Answers

The government's use of the PATRIOT Act was created to protect citizens from dangerous acts of terrorism.

Which of the following statements is FALSE?

Answers

Answer:

I'll wait for some possible answers...

Draw the structure of ATP molecule and explain how it is formed​

Answers

ATP is formed from the breakdown of glucose molecule in mitochondria of the cell.

ATP molecule is formed in the process of respiration i.e. aerobic and anaerobic. During aerobic cellular respiration, glucose reacts with oxygen in the mitochondria of the cell, forming ATP that can be used by the cell in different cellular activities. When glucose reacts with oxygen, three molecules are formed i.e. ATP, Carbon dioxide and water. ATP is used by the cell whereas the Water and carbon dioxide molecules are waste materials which are removed from the cell so we can say ATP is formed from the breakdown of glucose molecule in mitochondria of the cell.

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HELP QUICKLY Why are the deepest high tides so deep and the shallowest low tides so shallow? Hint: how are the Earth, Sun, and Moon aligned?

Answers

There are different kinds of tides. This change occur because  when the gravitational pull of the sun works along with the gravitational pull of the moon on Earth, it leads to the oceans bulging out.

This result above makes the high tides as been little higher and low tides been little lower than normal.

Spring tides are known to be the deepest as oceans levels are highest in this kind of tide. The neap tides are known to be the shallowest.

This often occurs when the moon, earth, and sun are said to be at a right-angled plane.  Therefore, the gravitation pull of the moon and sun on the oceans do counteract each other making its net effect is smaller.  

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if the chloroplasts of a plant cell are damage, which will it be unable to do?​

Answers

Answer:

Become Green

Explanation:The Organelles that are green will be destoryed causing the plant not to be able to become green

Which of the following is a living organism?
Å virus
A piece of wood
A stone
0 0
A tree

Answers

Answer:

The answer to this question is Tree

Need ASAP! TIA
Explain how probability theory can be used in agriculture.

Answers

Answer:

occurrence

Explanation:

Probability is a mathematical construction that determines the likelihood of occurrence or nonoccurrence of events that are subjected to chance factor. Thus the farmers are interested to know the probability of occurrence of rain before and after spraying. ... In this regard probability plays a great role

The probability theory can be used in agriculture in order to estimate grain yields and thus select which crop is suitable in a calendar year.

What is the probability theory?

The probability theory is a model aimed at understanding statistic probabilities in a given problem/issue.

The probability theory involves theoretical, experimental and axiomatic probabilities.

This theory (probability theory) is used to analyze random processes such as rain (precipitation) levels.

In conclusion, the probability theory can be used in agriculture in order to estimate grain yields and thus select which crop is suitable in a calendar year.

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