Answer:
Primary succession in the first initial establishment of an ecosystem on a new layer of terrain (usually rock), whereas secondary succession is a re-establishment of an ecosystem OR simply any establishment of an ecosystem on a rock which was previously inhabited.
Explanation:
Primary succession is the very first establishment of an ecosystem on a new layer of terrain (usually rock) which was previously uninhabited by living organisms. Secondary succession can be thought of as a re-establishment of ecosystems on a terrain/rock which was previously inhabited but is no longer due to an ecological or environmental disruption.
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Answer:
Primary succession is the progress of plants growing on bare lands, like a bulldozed area, a landslide, or even a solid rock. (Or a volcano.)
On the rock, lichens start, make a little soil, mosses start in the soil, make a little more, Spikemoss (a vascular plant) starts, traps and makes more soil, making a place for dry land plants, which trap and make more soil, eventually, after a very long time, giving rise to a mature forest over rock. The only way to tell that rock is the substrate is the forest composition
Secondary is from a place that has had a forest, and is either burned, farmed, or cut. Plants start very quickly from seeds, roots, tubers, and reforestation can take as little as 20 years, and maturity as little as 75.
Explanation:
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Answer:
b
Explanation:
What form of heat transfer can travel through a vacuum.
A. Convection
B. Radiation
C. Conduction
Answer: B. Radiation fo sho.
Explanation: I took a test and it was correct!! ; )
Explain binary fission in amoeba
Answer:
Binary fission is the most common method asexual reproduction employed by amoeba. During this stage, amoeba stops its movement by withdrawing its pseudopodia and forms a spherical shape. The genetic material is divided by the process of mitosis, after the division of cytoplasm follows the division of the nucleus, resulting in two daughter cells which are identical clones obtained by parent cells.
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Answer:
Amoeba is a unicellular organism, and just like bacteria, it reproduces through binary fission. After replicating its genetic material through mitotic division, the cell divides into two equal-sized daughter cells. In this method, two similar individuals are produced from a single parent cell
Explanation:
help please!!
What determinates that the seal is a water animal and that the bat is an air animal?
A seal has flippers made for swimming, and a bat has wings made for flying.
helpppp....... Which has the greatest influence on wind speed air mass, dioxide concentrations, nitrogen concentrations or, stratosphere
Answer:
Differences in air pressure are generally what has the greatest influence on wind speed, so your answer would be air mass.
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50. What is shown in Figure 11-4
Answer:
Umm there is no figure...
the structure of the heart
Answer:
i'm sorry, but what exactly is your question? may you please specify?
Explanation:
Which naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant?
mercury
carbon dioxide
radon
argon
Answer:
answer is radon
Explanation:
........
Radon is naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant.
What is Hazardous air pollutant?Those proven to cause cancer and other major health effects are considered hazardous air pollutants. According to the Clean Air Act, the EPA must regulate harmful air pollutants, or air toxics, coming from specific types of industrial operations in two phases.
Hazardous air pollution stationary source requirements are known as National Emission Standards for Hazardous Air Pollutants (NESHAP). The term "hazardous air pollutants" (HAPs) refers to airborne contaminants that are known or strongly suspected to be responsible for cancer, as well as other major health issues such birth defects or reproductive problems.
The EPA creates national enforcement programs that are centered on serious environmental concerns and patterns of noncompliance.
Therefore, Radon is naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant.
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Can you please help me
Answer:
A
Explanation:
games give confidence
Answer:
A
Explanation:
It allowed them to not give up and push on until they did it. which allowed them to get confidence.
Plzzz help ASAP, don't fool me I'll report
What is the importance of heartbeat blood circulation?
Answer:
With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After delivering the oxygen, the blood returns to the heart. The heart then sends the blood to the lungs to pick up more oxygen.
What environmental factors had an impact on the coyote population?
9H2SO4
SCIENCE PLSSSSSSSS
Answer:
WHAT???
Explanation:
What is the question?
I need help with my bio homework please help me, thanks ....
Answer:
Sure what is it?
Explanation:
Answer:
wheres the upload?
Explanation:
A student drew models of an electromagnetic wave and a water wave. Which scientific question did the student MOST LIKELY ask to know how to draw these models? A. Do water waves travel at a slower speed than electromagnetic waves ? B. Can water waves and electromagnetic waves travel through different media? C. How do water waves and electromagnetic waves increase their amplitude ? D. Are water waves and electromagnetic waves examples of transverse waves ?
Answer:
answer is c
Explanation:
etc
What is Florida’s state freshwater fish don’t search guess
Answer:
largemouth bass
Explanation:
Answer:
I want to say large mouth bass my uncles live in Florida
Explanation:
the energy in living systems is used by organisms for what purpose?
Answer:
a
Explanation:
What kind of cells are made from mitosis?
gametes
body cells
eggs
sperm
Answer:
gametes
Explanation:
gametes are made asexually ad are identical.
predator and prey difference
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PLEASE HELP ME WITH THIS BIOLOGY QUESTIONN :)) THANK YOUU
Answer:
B. Translation
Explanation:
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Humans vary in their ability to taste the bitter chemical compound phenylthiocarbamide ( PTC ). The taster phenotype is dominant to the non-taster phenotype. Researchers tested the PTC taster phenotype of individuals from an isolated population. In the sample, 780 individuals were able to taste PTC and 70 individuals were not able to taste PTC .Assuming the population is in Hardy-Weinberg equilibrium, what is the frequency of the non-taster allele
Answer:
The frequency of the recessive allele, t is f(t) = q = 0.29.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
What are the four parts of a neuron
Answer:
the dendrites, the cell body (also called the "soma"), the axon and the axon terminal
Explanation:
Answer:
dendrites, the cell body, axon, axon terminal
Explanation:
Please help with the question below! FAST!
Answer:
The first answer choice '3'
Explanation:
Answer:
A, the first one which states that they will grow in proportion.
Explanation:
Natural selection would favor larger blood vessels, as shown by more babies birthed by mothers with big vessels surviving than those with smaller. Hope it helps :)
In some fruit flies the allele for having black eyes (B) is dominant to the allele for having red eyes (b) A scientist mated a batch of heterozygous fruit flies. Using a punnet square decide what the P and F generations would look like.
Create a food chain. Choose the biotic factors from the list and move them onto the hotspots marked with circles. BIOTIC FACTORS Trout Algae Herons Minnows Mosquito larvae Regenerate Reset Check
Explanation:
algae(producer)>mosquito lavae>minnows >trout >herons
Algae, Mosquito larvae, Minnows, Trout, and Herons are arranged in the following pattern in a food chain.
What is a food chain?A food chain is an arrangement of organisms where energy flows from through lower organism to higher organism. Each organism in the chain transfers energy to the other organism present at higher order and the flow of energy goes on. Biotic factors, algae, mosquito larvae, minnows, trout, and herons are arranged in the following sequence in the food chain.
Algae are the primary producers in aquatic ecosystems which are eaten by mosquito larvae, which are then eaten by minnows. Minnows are then eaten by trouts. Herons, being the largest predator feeds on the trout.
Each organism in the food chain obtains energy from the organisms present at lower trophic level. However, the energy flow decreases at each trophic level, therefore, the organism at higher trophic level receives the less amount of energy.
Therefore, the food chain is created in the following order: Algae, Mosquito larvae, Minnows, Trout, and Herons.
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why animals need a circluatory system
Answer:
All cells in the body need to have oxygen and nutrients, and they need their wastes removed. These are the main roles of the circulatory system. The heart, blood and blood vessels work together to service the cells of the body.
Explanation:
Which is an exotic companion animal?
A.chicken
B. dog
C.pig
D.ferret
E.cat
Answer:
d ferret is an exotic animal
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How are photosynthesis and respiration similar?
Group of answer choices
A. They both take place inside cells.
B. They both trap energy
C. They both have oxygen as a reactant.
D. They both break down glucose.
Answer:
A
Explanation:
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double helix used in a simple 9th grade level sentence and one fact
Answer:
The arrangement of two nucleotides binding together across the double helix is called a base pair.
In the structure of a double helix, two strands wrap around each other.
There is a major and a minor groove on the double helix.
Two long strands entwine like vines, in the shape of a double helix.
How does the fossil record support the Theory of Evolution?
Answer:
Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.