Answers
Answer:
Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance survival of the next lower trophic level.
Explanation:
their u go
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An Earth scientist is testing how various soil mixtures affect plant growth. She begins with 10 solltypes. For each mixture, she combines equal amounts of
types
How many soll mixtures must the scientist create in order to test all possible combinations of the 10 sol types?
Answers
Answer:
The soil mixtures must the scientist create in order to test all possible combinations of the 10 soil types - b. 45 .GivenSoil samples = 1. , 2. , 3. , 4. , 5. , 6. , 7. , 8. , 9. , 10 each mixture must have two sample Solution• We have to mix 2 soils in equal amounts then , the total number of possible soil mixtures are:-• 1 and 2 , 1 and 3 , 1 and 4 , 1 and 5 , 1 and 6 , 1 and 7 , 1 and 8 , 1 and 9 , 1 and 10 = 9 • 2 and 3 , 2 and 4 , 2 and 5 , 2 and 6 , 2 and 7 , 2 and 8 , 2 and 9 , 2 and 10 = 7• 3 and 4 , 3 and 5 , 3 and 6 , 3 and 7 , 3 and 8 , 3 and 9 , 3 and 10 = 7• 4 and 5 , 4 and 6 , 4 and 7 , 4 and 8 , 4 and 9 , 4 and 10 = 6 • 5 and 6 , 5 and 7 , 5 and 8 , 5 and 9 , 5 and 10 = 5 • 6 and 7 , 6 and 8 , 6 and 9 , 6 and 10 = 4• 7 and 8 , 7 and 9 , 7 and 10 = 3 • 8 and 9 , 8 and 10 = 2 • 9 and 10 = 1 9+8+7+6+5+4+3+2+1 = 45Learn More : https://brainly.com/question/13171394# Carry On LearningHope its helpThis is due tomorrow does anyone know how to solve that problem?
Answers
Answer:
It depends on there functions
Explanation:
little cells can be used forfor little functions and big cells need to be big to help the function
I am not 100% sure if this is correct I took this last year soo
Animals that live in estuaries need to adapt to ________. (Select all that apply.) changing salinity levels
changing levels of sunlight
the rising and falling of tides
increased levels of algae
Answers
Animals that live in estuaries need to adapt to changing salinity levels and the rising and falling of tides. Adaptation is the result of evolution.
Evolution and adaptationThe term 'evolution' refers to descendence with modification, which is mainly achieved by natural selection.
Adaptation refers to the process of adjustment that makes organisms in order to fit certain environmental conditions.
Natural selection is the differential survival and reproduction of the organisms better adapted to their environment.
Learn more about adaptation here:
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Explanation:
to changing salinity level
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Which of these different ecological systems do we understand the least because of its size and complexity
Answers
Answer:
i
Explanation:
Which of the following is most likely to be part of a country's sustainable forest management policy?
A) Convert cropland back into forestland
B) Use chemical pesticides to rid forests of tree-damaging pests
C) Reduce the need for wood and wood products among its citizens
D) Create tax incentives for reseeding old-growth forests that have been logged
Answers
Answer:
D.
Explanation:
Only practical policy. Chemical pesticides are harmful, they can’t reduce the need for wood that’s ridiculous, and the crop land is crop land for a reason, to be used for agriculture.
Which statement is not consistent with Darwin’s theory of natural selection?
Answers
Answer:
The Earth is approximately 100,000 years old. Charles Darwin thought that the Earth was only around 6,000 years old, and that all evolution had taken place during that timespan. Knowledge that the Earth is approximately 100,000 years old would not be consistent with Darwin's theory. However, fossils indicating extinct organisms, organismal survival being environment dependent, individuals not evolving, and all living species being related to common ancestors are all consistent with Darwin's theory of natural selection.
Which of these different ecological systems do we understand the least because of its size and complexity
Answers
Answer:
i think it should be a little bit light
Explanation:
name two places in animal cell where this nucleic acid may be found
Answers
36. how can you increase surface area but not volume of an object? biology
Answers
by folding the membrane of an organelle, surface area is optimized while volume remains the same. that is why mitochondria looks folded on the inside when you see pictures of it. the higher the surface area to volume ratio, the more efficient the organelle.
The cell wall of fungi is made up of The cell well of algae is made up of ?
Answers
Algae( water like protists) : Cellulose
What consequences to the cell would you anticipate if the sequence of DNA was changed
Answers
Answer:
consequences include genetic mutations within the Gene sequence, which can cause abnormalities, disabilities, or even rare conditions
Explanation:
The Simpsons: Side-show Bob and lisa were at the science museum, and disclosed to lisa after displaying superhuman strength, that hes been changing his DNA polypeptide by polypeptide. Lisa: Um how strong are you. Side-Show Bob: rips off ankle chain and spins a bank safe on his fingers
Why is it important that psychologists understand biology in their efforts to better understand behavior and mental processes?
Answers
Answer: By looking at the biological bases of human behavior, psychologists are better able to understand how the brain and physiological processes might influence the way people think, act, and feel.
The energy in living things on Earth
originates from the Sun. This means
that the energy that a humpback whale
uses to live made its way from the Sun
to the cells of the whale’s body.
Create a comic strip that follows the journey of energy from the
Sun as it travels to the humpback whale.
Answers
The flow of energy from the sun is as follows:
Sun energy ----> Producers (sea weeds) -----> small sea animals ---> small fish ----> Humpback whale.How does the energy of the sun get to the humpback whale?The sun is the main energy source for living organism.
The energy from the sun is used by producers such as plants to make food for themselves and for other living organisms.
Other living organisms that depend on the plants for food such as small see animals are eaten by smaller fishes.
The humpback whale eats these smaller fishes and thus derive their energy from the sun.
Therefore, the flow of energy from the sun is as follows:
Sun energy ----> Producers (sea weeds) -----> small sea animals ---> small fish ----> Humpback whale.
Learn more about energy flow at: https://brainly.com/question/25923399
Organic matter in soil is made from
O weathered parent rock.
O decayed plants and animals.
O acid rain
O carbon dioxide.
Answers
Answer:
B: decayed plants and animals.
Which of these organisms is an animal-like protist?
Answers
Answer:
last one
Explanation:
Answer:
the correct answer is d
Explanation:
hope this helps
HELP: Suppose deer in an area leave the forest during winter time to find a place with more food. We would describe their movement OUT of the area as:
Answers
We have that deer in an area leave the forest during winter time be ause of lack of food and this is called
MigrationFrom the question we are told
Suppose deer in an area leave the forest during winter time to find a place with more food. We would describe their movement OUT of the area as:MigrationGenerally definition of migration
Animal migration is the distinctly long-distance motion of male or female animals, generally on a seasonal interval. It is the most frequent shape of migration in ecology.animal groups, along with birds, mammals, fish, reptiles all migrate due to climateTherefore
Suppose deer in an area leave the forest during winter time to find a place with more food. We would describe their movement OUT of the area as Migration
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why is it important for a single gene to be able to produce hundreds of the same RNA molecule
Answers
Explaination: I searched it
Open with
A
Life Spans of Human Cells
Life Spans of Various Human Cells
Like all organisms, cells have a given life span from
Cell Type Life Span Cell Division
birth to death. In multicellular organisms, such as
humans, the health of the organism depends on cells
Lining of esophagus 2-3 days
Can divide
not exceeding their life span. This is especially true
Lining of small intestine 1-2 days Can divide
of cells that tend to divide rapidly. If these cells did
Lining of large intestine 6 days Can divide
not die on schedule, overcrowding of cells would Red blood cells Less than
occur, causing uncontrolled growth that would be
Cannot divide
120 days
life-threatening.
The data table shows the life spans of various
White blood cells 10 hours Cannot divide
to decades
human cells. It also contains information about the
ability of the cells to multiply through cell division.
Smooth muscle Long-lived Can divide
1. Inferring White blood cells help protect the body Cardiac (heart) muscle Long-lived Cannot divide
from infection and disease-producing organisms.
Skeletal muscle
Long-lived Cannot divide
How might their function relate to their life span?
Neuron (nerve cell) Long-lived Most do not
2. Comparing and Contrasting Based on the
divide
data, how are the consequences of injuries to the
heart and spinal cord similar to each other? How
are they different from the consequences of injuries 4. Going Further Cancer is a disease related to ced
life span and cell division. If cancer cells were
to smooth muscle?
added to the data table, predict what would be
written under the columns headed "Life Span" and
3. Formulating Hypotheses Propose a hypothesis
"Cell Division." Explain the reasoning underlying
to account for the data related to the cell life spans
your predictions
of the lining of the esophagus, small intestine, and
large intestine.
Answers
Answer:
if you look the page and textbook up itll give you all the answers
Jake wants to enrich the nitrogen contents of his soil though fixation. Which crop can he use for this purpose? Wheat, sugarcane,cashew nuts, or alfalfa
Answers
Answer:
The appropriate answer is D. Alfalfa. Alfalfa is a legume and these plants play a key role in the nitrogen cycle. These plants house nitrogen fixing bacteria on their roots. The bacteria are housed in tiny round structures of leguminous plant roots. Once the nitrogen is fixed in the soil it can now be used by other plants to make food. These plants include beans peas and peanuts
Explanation:
pa BRAINLYES PO TY
help me its about earths crust
Answers
Answer:
Here's a quick explanation
Explanation:
Oceanic crust is found under the oceans, (hence "ocean"ic) and are made of multiple layers on oceanic ridges.
Continental crust is found on the outer layer of the crust and makes up the earth's surfaces and continents.
2 When you ride your bike uphill, where
does the energy you use come from?
A) from the food you eat
B) from the exercise you do
C) from the push of the ground on the
bicycle -
D) from the pull of gravity on you and
the bicycle
Answers
Answer:
The answer is (A)
Explanation:
The energy is in motion, so it is kinetic energy, and it is derived from the food we digest. At the top of the hill, in the absense of motion, the kinetic energy converts to potential energy.
what
are two threat to the world's forest biomes?
Answers
Answer:
logging, and oil exploration
Explanation:
Answer:
Deforestation/Logging
Explanation:
Logging cut down rainforest trees for timber used in flooring, furniture, and other items. Power plants and other industries try to cut and burn trees to generate more electricity.
Which is an example of an analogous structure?
A horses and cows having four legs
B whales and sharks having dorsal fins
C chickens and ducks laying eggs
D frogs' and toads' hind legs
Answers
Answer:
B whales and sharks having dorsal fins.
Explanation:
Hope this helps!
What stage is the glucose molecule formed
Answers
Answer:
GLYCOLYSIS :- Glycolysis is the metabolic pathway that converts glucose C₆H₁₂O₆, into pyruvic acid, CH₃COCOOH. The free energy released in this process is used to form the high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotidePRODUCTS :- Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy.INPUT:- Glycolysis is the first step in cellular respiration, occurring in all living cells. Overall, the input for glycolysis is one glucose, two ATP and two NAD+ molecules giving rise to two pyruvate molecules, four ATP and two NADH.BREAKDOWN:- During glycolysis, glucose ultimately breaks down into pyruvate and energy; a total of 2 ATP is derived in the process (Glucose + 2 NAD+ + 2 ADP + 2 Pi --> 2 Pyruvate + 2 NADH + 2 H+ + 2 ATP + 2 H2O). The hydroxyl groups allow for phosphorylation. The specific form of glucose used in glycolysis is glucose 6-phosphateSTAGES:- Reaction 1: glucose phosphorylation to glucose 6-phosphate.Reaction 2: isomerization of glucose 6-phosphate to fructose 6-phosphateReaction 3: phosphorylation of fructose 6-phosphate to fructose 1,6-bisphosphateReaction 4: cleavage of fructose 1,6-bisphosphate into two three-carbon fragments.Explanation:
HOPE IT HELPS YOU ITZ ADMIRERThe glucose molecule is formed at the light-independent stage of photosynthesis.
Light-independent reactionDuring the light-independent reaction of photosynthesis, carbon dioxide is fixed into glucose by reacting with water molecules.
The energy molecules required to drive the light-independent reaction of photosynthesis are obtained in the light-dependent reaction.
It is also known as the Calvin cycle or the dark reaction of photosynthesis.
More on the light-independent reaction of photosynthesis can be found here: https://brainly.com/question/3505937
Which of the following macromolecules contain nitrogen? O A. Carbohydrates O B. Proteins O C. Vitamins O D. Lipids
Answers
Answer:
The correct answer is D. Lipids
Explanation:
D. Lipids is the correct answer!
Many people claim it
is more convenient to drive themselves to work
or school. Write an argument to support using
alternative methods of transportation.
Answers
Answer:
While driving to work/school is very convenient for most people, it isn't very environmentally friendly. For example, if that person were to take a bus instead, carbon emissions would be far lower overall compared to them driving themself. Moreover, biking or walking is healthier for a person and helps to get some exercise, leading to a healthier lifestyle.
During which time period did the first organisms appear on the land?
Answers
Answer:
The conventional viewpoint is that the first terrestrial life migrated out of the water about 430 million years ago, in the midst of a period known as the “Cambrian Explosion of Life”
Hope this helps
In the Paleozoic Era which was about 600 million years ago was when the first organisms appeared on the land.
What is Paleozoic era?This period was characterized by great changes on the earth and occurred hundreds of millions year ago.
The first organisms appeared on the land which were believed were from water during this period.
Read more about Paleozoic era here https://brainly.com/question/1972972
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A small fish eats part of a plant and then is eaten by a larger fish. The larger fish is then eaten by a shark. What situation has occurred?
Answers
Answer:
a primary consumer is eaten by a secondary consumer which is then eaten by a tertiary consumer. The tertiary consumer is then eaten by a producer.
Explanation:
i don't know if this is right but this is what i got out of the question hope this helps
How are viruses, bacteria, protists, and fungi
similar and different from one another? Why are
they essential for life?
Answers
Answer:
Viruses are not considered as something that is living, that makes them different from bacteria, protists and fungi. Bacteria are a prokaryote which makes them different from protists and fungi that are eukaryotic. Protists are always unicellular, while fungi can be either unicellular or multicellular (but mostly multicellular). Viruses, bacteria, protists and fungi can all be pathogenic. Viruses, bacteria, protists and fungi. All these are essential for life because they maintain living things, keeping everything in balance - a perfect equilibrium.
the shape of the planets and dwarf planets after acculating all their material is?
Answers
Answer:
The shape of the planets and dwarf planets after accumulating all their material is a Sphere.
