As long as the ecosystem inputs remain the same, the ecosystem will remain stable. Only when there is a fire, drought, or other disturbance in the ecosystem, will the ecosystem change. A new set of plants will arise to most efficiently use the resources that are available under the new conditions. However, over time, if the disturbance is temporary, the ecosystem will eventually revert to the stable ecosystem that was there before the disturbance.
What is a stable ecosystem?Stability (of an ecosystem) refers to the capability of a natural system to apply self—regulating mechanisms so as to return to a steady state after an outside disturbance.
What is succession?Ecological succession is the process of change in the species structure of an ecological community over time.
Causes of succession:Topographical: Extreme conditions cause abiotic topographical factors, which are mainly involved with secondary succession. Landslides and mudslides are examples of this type of factor.Soil: The soil, an abiotic factor, of an environment affects ecological primary succession greatly. Different species of plants require different soil conditions.Climate: Climate, an abiotic factor highly involved in both primary and secondary succession, plays a significant role in determining the direction of succession in an environment. Ecosystem remains stable: It’s all about balance, left to its own devises nature constantly rebalances.populations increase and decrease all the time, usually due to food sources either being plentiful or scarce, when plentiful the animals that feed on them thrive and breed.when scarce they starve and decline in number, this decline in numbers allows time for the food source to regrow or reproduce (if the food source is another animal species), The ecosystem is unaffected in the long run and remains in balance.Thus, it can be concluded that As long as the ecosystem inputs remain the same, the ecosystem will remain stable.
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A principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom
and the rocks become progressively younger toward the top
Choose from these answer:
(Superposition)
(Uniformity)
(Fault)
(Overfolding)
super position
Explanation:
because because it is arranged in a sequence
What are fossil fuels? Why do you think they are used if they cause climate change?
Answer:
fossil fuels are natural fuels like coal.
When fossil fuels are burnt they release large amounts of carbon dioxide ( a greenhouse gas ) that traps heat in our atmosphere causing global warming which is also a factor of climate change
Explanation:
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the table lists the solutions added to the oil and water mixture
Answer:The table lists the solutions added to the oil and water mixture. Complete the ... The small intestine contains many structures that absorb glucose. Name this ...
Explanation:
What is the relationship of gravity to Earth, the sun and moons?
Explanation:
Our sun is 27 million times larger than our moon. Based on its mass, the sun's gravitational attraction to the Earth is more than 177 times greater than that of the moon to the Earth.
You are walking through a mixed evergreen-deciduous forest, where approximately 10 percent of the trees are eastern hemlocks, a species of evergreen tree that casts very deep shade on the forest understory. Interestingly, under every eastern hemlock, you find the same small herbaceous plant species. However, you never observe this species anywhere else, even though a healthy diversity of other species live throughout the forest understory. You expect the small herbaceous species to have _____ growth, _____ sexual maturity, _____ energy expended on seeds, and _____ reproduction. Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices fast; early; high; no vegetative slow; late; low; vegetative slow; early; low; vegetative fast; early; low; vegetative slow; late; high; no vegetative
Answer: slow; late; low; vegetative
Explanation: Due to the casting of deep shade on the forest understory by eastern hemlock, direct sunlight and other necessities for photosynthesis and other life processes needed by the herbaceous plant species for optimum growth is being deprived.
However, coupled with the nature of these herbaceous plant species, having non-woody stems with their growth above the ground level often dieing off particularly in winter in the temperate zone, makes their growth in that kind of location to be stunted.
Thus, herbaceous plant species with slow growth rate leading to late sexual maturuty while having low expanded energy on seeds due to low photosynthetic rate and low vegetative reproduction should be expected.
The molecule represented below is found in living things.
Which statement describes one characteristic of this molecule?
1.
It is the template for the replication of genetic information.
2.
Organic catalysts are made up of these molecules.
3.
It is different in each cell of an organism.
4.
Cell membranes contain many of these molecules.
The diagram of the molecule is attached with the answer.
Answer:
The correct answer is - 1. It is the template for the replication of genetic information.
Explanation:
The given molecule is a DNA molecule that is known as the molecule that takes genetic instructions in all living things and carries them to the next generation of cells.
The DNA molecule has two strands known as double helix formed by winding around one another, backbone of each strand has sugar (deoxyribose) and phosphate groups.
DNA plays a role of the template for the replication of the genetic information during DNA replication as well as transcription during protein synthesis.
What environmental factor was important for the
Cambrian "explosion of life”?
Answer: the earth was just starting to develop really well and well enough for life.
Explanation: atmospheric oxygen and oceanic calcium levels went up, but nobody needs to know that much facts about how earth developed, But the group called phyla started growing because of these conditions
Answer:
Explanation:
Tôi nghĩ rằng nếu quan trọng thời điểm đó phải là hình thành tầng ozon tạo tiền đề thiết lập hệ sinh thái
If all the cougars disappeared from this community, which change would be
most likely to occur?
coyote cougar
squirrel
mouse
deer
grass
acoms
mushrooms
A. The squirrel population would increase
B. The deer population would increase.
C. The grass population would increase.
D. The coyote population would decrease.
Answer:
deer pop would increase bc nothings eating them
Answer: deers would increase in population since no predators
Explanation:
What are the by products of Light Reaction ?
Answer:
There are two end products of the light reaction of photosynthesis, ATP and NADPH. These molecules are produced during the cyclic and the non-cyclic photophosphorylation reactions.
What factor can decrease the rate of a chemical reaction
Explanation:
The reaction rate decreases with a decrease in temperature.
Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction.
Differences in the inherent structures of reactants can lead to differences in reaction rates.
why was mandels work not accepted at the time
Answer:
His work was not accepted at the time because during that time DNA had not yet been discovered.
Put the following diagram of mitosis in the correct order. Group of answer choices
A 2, 1, 3, 4
B 3, 2, 1, 4
C 4, 1, 3, 2
D 1, 2, 3, 4
Answer:
B
Explanation:
diagram 3 is the preparation of mitosis and it's where the Dna replication take place
In two or three well-developed paragraphs, explain how citizens can affect environmental policy at each level of government: local, state, and national.
Local
Citizens can take a local initiative for example go around and voluntarily pick up trash and garbage make sure to spread the word to keep the environment safe and clean since us citizens are the ones who need to take action on the policies
State
State governments can introduces advantages for the citizens who take part in the policies and hold marches and events to raise awareness
National
National governments can introduce enticing policies for both citizens and state governments since we need everyone to take part
Which statement best explains why herbivores are not considered parasites
Answer:
Hello There!!
Explanation:
The answer is=>Parasite means that the organism must live inside (intracellular) or on the outside body of the organism (extracellular). The herbivores do not live on the host (plants) for its survival. They just eat the plants and fruits for getting energy. Therefore, the herbivores cannot be called as parasite.
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Hey buddy I am here to help!
The answer is B = Land used to raise plants for human use
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What genes direct the
development or body plan of
organisms?
A. hox genes
B. beta genes
C. triage genes
Answer:
a. hox genes.
Explanation:
HOX genes have the following functions:
HOX genes are the homeobox subset.They specify the areas of the embryo's body plan along the animal head-tail axis.They are encoding Hox proteins that specify the position characteristics and ensure that the right structures form at the right position in the body.They regulate high-level executive genes, such as transcription factors and intracellular signaling molecules, which adhere, number, form, and growth to cells.The vertebrates are highly preserved.
The clusters and other genes occur uninterrupted.
Evolutionary, the heterogeneous regulatory areas between the genes most previously present are larger and more preserved than those present at the other ends of the clusters.
The characteristical feature is that these are homeodomain proteins with a highly preserved area of DNA binding encoded with homeobox gens.
Which of these terms accurately describes Alzheimer's disease?
Autosomal
Complex disease
Recessive
Dominant
Answer:
I think that the answer is Dominant.
Explanation:
Helpful?
18. Which of the following is not an environmental consequence of aquaculture? (1 point)
It releases wastewater into natural environments.
It breeds diseases that devastate fish populations.
It introduces invasive species to natural ecosystems.
It causes wild fish populations to become too large.
It encourages overfishing of wild fish used to feed farmed fish.
Where does the exchange of oxygen (from the air) with carbon dioxide (from the cells) take place?
A. Where are the bronchi meet the bronchioles
B. Where the blood meets the cells
C. Where the nasal passages meet the air
D. Where are the alveoli meet capillaries
Answer:
The Answer is Option D.
Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.
Answer:
D. Where are the alveoli meet capillaries
In the morning you eat an orange and drink a cup of coffee, both are acidic items.
What happens to the pH of the cells in your body?
Answer:The physiological response is to maintain a neutral PH.
Explanation:
The following map of the Gulf of Mexico shows reported sightings of whale sharks. What explanation best describes why the highest reported sightings occur near the mouth of the Mississippi River?
Whale sharks are bottom feeders, and this area is rich in bottom dwellers due to runoff.
Whale sharks are bottom feeders, and this area is rich in nutrients due to runoff.
Whale sharks are filter feeders, and this area is rich in plankton due to runoff.
Whale sharks are filter feeders, and this area is rich in fish populations due to runoff.
Depletion of nonrenewable resources is often a result of?
Please help I’ll give brainliest
Answer:
53
Explanation: You do 36 + 17 = 53 neutrons
Answer: The answer is 19
Which of the following is true about global climate
A The climate has remained constant over that past 200 years
B) The global climate has been increasing over the past 200 years
The global climate has been increasing each year for the past 100,000 years
D
It has remained constant over 100,000 years
Which of the following diseases can be cured using antibiotics?
A. AIDS
B. Dengue
C. Typhoid
D. Malaria
Answer:
C. Thyphoid
Explanation:
Part A
In the current system of classification, living organisms are classified into the taxonomic levels of kingdom,
phylum, class, order, family, genus, and species. Why is it important for all scientists to use the same
hierarchy of classification when describing newly discovered organisms?
The synthesis of organic molecules from water, sunlight, and carbon
dioxide is known as ___
O photosynthesis
O respiration
O development
O homeostasis
What are the 3 major organs of excretion and what do they excrete?
Answer:
Skin, Kidneys, And Lungs
Explanation:
Excretion is the removal of toxic materials, waste products of metabolism and excess substances from organisms. Egestion is the passing out of undigested food as faeces, through the anus. Three major organs of excretion are the skin, kidneys and lungs. Sweat glands in the skin produce sweat.
strenuous exercise leads to muscle cramp give reason
Explanation:
Cramps can have causes that aren't due to underlying disease. Examples include dehydration, strenuous exercise or lack of muscle use.
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Answer: Lactic acid
Explanation: The acid is caused by anaerobic respiration, which you do when you do not get enough oxygen
______ is an enzyme that catalyzes the conversion of phosphate and ADP into ATP during oxidative phosphorylation in mitochondria.
a- Acetyl CoA
b- Cristae
c- ATP synthase
d- Krebs cycle
