Answer:
something which causes a response, a detectable change in the physical or chemical structure of an organism's internal or external environment. The ability of an organism or organ to detect external stimuli
Explanation:
Senescence __________. Question 5 options: a) begins at the moment of conception and accelerates after age 40 b) occurs across all parts of the body at the same time and speed c) begins once body structures reach maximum capacity and efficiency d) occurs because the physical body wears out from use
Answer: c. Senescence begins once body structures reach maximum capacity and efficiency
Explanation: Senescence is simply ‘growing old’. Aging sets in at the time when physical development is complete - when a person reaches their ‘prime’. After that a person is ‘past their prime’ which is the subjective recognition of the on set of gradual deterioration. The biological rationale is that the purpose of life is to survive to reproductive age and to reproduce, and in some species to assist progeny to survive to reproductive age. Beyond that, survival has limited value.
An analogy is the length of an elephant’s trunk. It is as long as it needs to be, determined by natural selection, but no longer than it needs to be for optimum efficiency, again determined by natural selection.
Why is it important to have a control group?
Why is it important to control certain variables?
Polyculture is well suited to intensive aquaculture because you have two or more non-competing species in the same system
Answer:
True.
Explanation:
It is TRUE that Polyculture is well suited to intensive aquaculture because you have two or more non-competing species in the same system.
This is evident in the fact that Polyculture is a type of agriculture whereby more than one species of plant is cultivated or animals reared simultaneously.
For example, Polyculture in animals may involved paddlefish, tilapia, and bighead carp reared in the same pond. In this case, the paddlefish will feed on crustaceans, while tilapia feed on zooplankton and phytoplankton. Also, bighead carp will feed on zooplankton and big phytoplankton.
1. The ocean stores carbon from its interactions with the atmosphere, so the ocean serves as (a) _________ for the carbon cycle.
carbon dioxide
carbon sink
carbon source
carbon flux
2. Bacteria add carbon to the carbon cycle by
being consumed by larger organisms, such as plankton.
decomposing dead organisms.
exchanging carbon dioxide and oxygen gases.
performing photosynthesis.
3. Breathing is related to the carbon cycle because(1 point)
only animals release carbon dioxide as a waste product.
it produces energy.
organisms exhale carbon dioxide.
it converts glucose and oxygen to water and carbon dioxide.
4. Which of the following is a carbon sink in the desert?(1 point)
cacti
snakes
plankton
insects
5. Where does cellular respiration occur?(1 point)
bacteria
lungs
chlorophyll
mitochondria
Read more about Carbon cycle here https://brainly.com/question/24293689
Answer:
it is what the coments
Explanation:
What best explains the role of energy in cellular respiration
Answer:
, the energy in food is converted into energy that can be used by the body's cells.glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
Explanation:
2. Describe two ways you can personally help
minimize human impact on the atmosphere.
SC.7.E.6.6
Answer:
1) Recycle and Reuse to Stop Pollution.
2)Avoid Use of Chemicals in Farming.
3)Reduce Waste.
4)Buy Organic Products.
How does the immune system work with other body systems to protect the body from pathogens?
Answer:
integumentery system
Explanation:
your skin is actually the first protection against illness-causing pathogens.
What happens when oxygen is exposed in open flame in a closed space?
Answer:
In an open space, hazardous oxygen concentration usually has explosive risk is the same and results from exposing combustible ...
Answer:
there would be an explosion do to the pure oxygen that would bring life to a flame
Which of the following describes a mutual relationship?
(A) Which of the following describes a mutual relationship?
(B) Ants drink nectar from an acacia tree and protect the tree from harmful insects.
(C) A flock of seagulls fly together to reduce the amount of air resistance they feel.
(D) A grasshopper and a rabbit eat different types of plants to avoid competition.
Answer:
I think the answer is B-------
What areas in the United States are currently experiencing air quality disused associated with fire and smoke ?
What attraction holds the nitrogenous bases together within the double helix?
a
deoxyribonucleic acid
b
ribose sugar
c
hydrogen bonds
d
phosphate
What's healthier for you bottled water are top water
Answer:
bottled
Explanation:
The shadow zone exists due to the of seismic waves.
O A. reflection
O B. refraction
O C. absorption
OD. deletion
Answer:
B. refraction
Explanation: hope this helps!
The shadow zone exists due to the effect of seismic waves is the refraction. Thus, the correct option will be B.
What is Refraction?Refraction can be defined as the redirection of a wave as it passes from one medium to another medium. The redirection of the waves in a medium can be caused by the wave's change in speed or by a change in the medium of wave.
Seismic waves are the waves which follow the same law of refraction at the compositional boundaries. If the seismic wave velocity in the rock below a boundary is increasing then, the waves will be refracted in the upward direction and this speed up relative to their original path of movement.
Therefore, the correct option will be B.
Learn more about Refraction here:
https://brainly.com/question/2660868
#SPJ7
Help Please ASAP
In the process of translation, the ribosome is the site where
A DNA strands are separated and copied
B free floating amino acids are picked up by tRNA
C amino acid chains are assembled from information in the mRNA
D information from DNA is copied to RNA
a man is twice as old as his son.Five years ago the ratio of their ages was 9:4.Find the sum of their ages
Answer:
75years
Explanation:
Let the Father's age be represented by 2x
Let the Son's age be represented by x
Five years ago;
Man's age will be = 2x - 5
Son's age will be = x - 5
If the ratio of their ages five years ago was 9:4, then;
2x - 5/x-5 = 9/4
4(2x - 5) = 9(x - 5)
8x - 20 = 9x - 45
- Collect like terms
-20 + 45 = 9x - 8x
25 = x
Hence, the son's age = 25 years
If x = 25, the father's age (2x) will be 2 × 25 = 50years
The sum of their ages will be = 25years + 50years = 75years
The white blood cells can be compared to the army and soldiers of our country. Explain the reason in about 3-4 lines.
Answer:
Please Mark as Brainliest
Explanation:
The white blood cells provide immunity to our body. They help in fighting against diseases, infections, allergies, and foreign particles. These cells keep our bodies safe and healthy, much like the soldiers of a nation.
When members of a community work to preserve their unique cultural traits, they are trying to protect their __________. A. universal culture B. cultural region C. popular culture D. local culture Please select the best answer from the choices provided A B C D Mark this and return
Answer:
D. Local culture
Explanation:
hope this helps :)
Answer and will give brainliest and 10 points
Answer: I don't know if this is right but I think it is
b. at the organ level
Explanation:
how does a zygote from
Answer:
Formed when a male gamete (sperm) and a female gamete (egg) combine.
Explanation:
A zygote is formed when these two gametes come together. This initial phase is carried out in the Zygotic stage.
Hope this is correct. Have a wonderful day.
The sonographic appearance of choledocholithiasis is best described as. Nonshadowing mobile hyperechoic mass. Mobile hyperechoic focus demonstrating posterior shadowing. Immobile echogenic focus demonstrating a posterior shadow. Mobile hyperechoic focus demonstrating anterior shadowing.
Answer:
Mobile, hyperechoic focus demonstrating posterior shadowing
Explanation:
Cholecystitis can also be regarded as gallbladder inflammation i.e inflammation of a digestive organ which is a small organ beneath the liver. The causes of Cholecystitis is as a result of blocking of tube( cystic duct) that leads the gallbladder all the way to the small intestine, as a result of this Bile can builds up then inflammation will occur. This can be treated through surgery. The features of sonographic oacute cholecystitis are;
✓More than 5mm thickening wall
✓ More than 5cm gallbladder distention
✓sonographic Murphy sign
✓ presence of pericholecystic fluid,
✓ appearance of Gallstones is inform of echogenic foci in the gallbladder.
It should be noted that the sonographic appearance of choledocholithiasis is best described as Mobile, hyperechoic focus demonstrating posterior shadowing.
Which best describes the relationship between two species and a niche?
Explanation:
If two species have the same niche, one species will always become extinct. Two species are able to occupy the same niche in the same habitat.
Should I pull a power move?
Answer:b
Explanation: dont know why
Answer:
like the move/stunt? if it is ill tell you anyways :))
Explanation:
I mean yeah you could try but dont get hurt go for it!!! :)))
How fast can you answer correct..? How fast can i give you brainliest. Explain Your answer:D/ HELP........................................:D
Answer:
C
Explanation:
I dont have a explanation becausr its right
Answer:
I would say D. A Thunderstorm
Explanation:
During a thunderstorm there are pretty high winds that can knock power lines down, lots and lots of rain, lightning that can easily strike down a power line, etc.
A simple rainfall could not hold enough power to block a radar signal
Sunshine does not effect anything see as it includes clear weather.
A tornado would also be another thing to consider though.
Hope this helped!
what gives sperms motility
Answer:
The tail of the sperm, the flagellum
Explanation:
We find cilia in the human body. They coat the epithelial cells of the upper respiratory tract and play a role in keeping dust particles, smog, and potentially harmful microorganisms from entering the lungs.
Their movements enable the movement of mucus or other substances across the surface of various epithelial cells. The cilia also cover parts of the male and female reproductive tract.
Flagella are found in sperm, whose tail represents the flagellum in its structure. The body wall of the sponge, among others, contains cells with whips that create and maintain the flow of water through the body.
Changes in the direction of Earth’s axis and changes in the angle at which it tilts
affect the severity of
Answer:
Ice Ages
Explanation:
An apple farmer notices that two of his trees produce particularly sweet apples. The farmer thinks that these sweeter apples would sell very well andcould make him a lot of money. He uses a Q-tip to pollinate the flowers of the sweet apple tree with pollen from the other sweet apple tree's flowers. He then takes the seeds from the fruit that they produce and grows a new field of trees from them. Almost all of these new trees make very sweet apples like the first two trees did.
Answer:
It is a right method for making a variety.
Explanation:
This is the right method for making sweet apples variety because in apple, cross pollination occurs and for making a new variety self pollination is the best way to prevent impurities in making a new variety. Due to self pollination, the farmer gain the sweet apple variety which help them to make more money by selling these sweet apple because of its demand.
Pick all of the benefits of mass transit systems
select all that apply.
a-reduces highway congestion.
b-saves energy.
c-reduces air pollution.
d-limit the loss of land to roadways & parking lots.
What is a contribution of biological wildlife
Answer: Wildlife biologists are important to the safety and preservation of animal species, but they also benefit society as a whole. They observe animals in their natural habitats and conduct experimental studies to test for environmental hazards, diseases and unusual movement patterns.
Explanation: Mark me brainliest
Answer:
i would love to help you but i cant sorry
Explanation:
Which statement describes the cell membrane of a living cell?
A. It controls which substance go into and out of the cell
B. It is made of protein, sugar, and cellulose
C. It lets all substance go into and out of the cell
D. It produces food for the cell
I NEED HELP PLEASE IT'S DUE TOMORROW PLEASEEEE
Answer:
5. heart rate
6. caffeine
7. mice
8. c
9.b
10. (not sure sorry)
Explanation:
5 is heart rate because how high/low it is depends on the amount of caffeine they have. Ex- if they have a lot of caffeine the heart rate would be higher like in humans.
6 is caffeine because the heart rate depends on the amount of caffeine given.
7 is the mice because thats the one thing not changing or dependent on anything since we can see mice without caffeine and mice with caffeine
8. is c because Ari wants to see if the heart beat is dependent on caffeine
9 is b cause theres a group of mice without caffeine