Answers
Answer:
1.Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.
2. If the grasshopper decreased the birds and owls would not have have enough food and therefor the population of birds and owls will also decreases.when Foxes eat the birds if there are are less number of birds it will affect the population of the foxes to decreases.
hope it helps.
Related Questions
Which of the following situations would most likely lead to a stable population size?
Answers
Answer:A
Explanation:
24. The product that honey bees produce and use it to seal cracks and repair their hives is :
A. Honey
B. Wax
C. Propolis
D. Royal jelly
Answers
24. The product that honey bees produce and use it to seal cracks and repair their hives is :
C. Propolis ✔
Explanation :
Bees use propolis to seal cracks and repair their hives.
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Racoons will almost eat anything. They are most accurately called...
1. carnivores
2. omnivores
3. herbivores
4. producers
Answers
The anwser is 2. Omnivores
what energy can be generated out from the volcano?
Answers
Answer:
geothermal energy
Explanation:
volcanic geothermal energy, the heat comes from "supercritical water." The researchers explained that energy from so-called supercritical water is much higher than conventional geothermal steam. When molten rock and water meet, the extreme heat and pressure bring water to a "supercritical" state, where it is neither liquid nor gas.
importance of measurements in point
Answers
Answer:
distance time accuracy
In an experiment, two populations of one species of fruit flies were raised for several generations on different nutrients (starch and maltose). Then the members of the two populations were reintroduced and the mating frequencies of flies from the two different populations were recorded. Fruit flies fed on starch were more likely to mate with other starch fruit flies. The same was the case for maltose fruit flies. When they did mate, their offspring were infertile. The fruit flies are physically indistinguishable and genetically similar.
Match the characteristic with the correct species concept definition.
Group of answer choices
hybrids are fertile
[ Choose ] biological ecological morphological phylogenetic
physiologically similar
[ Choose ] biological ecological morphological phylogenetic
genetically similar
[ Choose ] biological ecological morphological phylogenetic
feed on starch or maltose
[ Choose ] biological ecological morphological phylogenetic
Answers
Answer:
Hybrids are fertile --- biological concept.
Physiologically similar ---- morphological concept
Genetically similar ---- phylogenetic concept
Feed on starch or maltose ---- ecological concept.
Explanation:
Hybrids are fertile is a biological characteristics of an organism, physiologically similar is a morphological characteristic of a specie, genetically similar is a phylogenetic characteristic of a specie and feed on starch or maltose is a ecological characteristic of an organism. The ability of two individuals to successfully produce fertile offspring is biological species concept whether individuals look similar is a morphological species concept closely related individuals are evolutionarily or phylogenetic species concept.
What is the RNA sequence that corresponds to this DNA sequence? ACC GCG
TAT GCT *
TGG CGC ATA CGA
O UGG CGC AUA CGA
O ACC GCG UAU GCA
ACC GCG TAT TTT
Answers
Answer:
O UGG CGC AUA CGA
Explanation:
Nature constantly adjusts the atmospheric carbon level. An increase in the level causes the atmosphere to hold more heat, which causes more water to evaporate from the oceans, which causes increased rain. Rain washes some carbon from the air into the oceans, where it eventually becomes part of the seabed. A decrease in atmospheric carbon causes the atmosphere to hold less heat, which causes decreased evaporation from the oceans, which causes less rain, and thus less carbon is washed into the oceans. Yet some environmentalists worry that burning fossil fuels may raise atmospheric carbon to a dangerous level. It is true that a sustained increase would threaten human life. But the environmentalists should relax—nature will continually adjust the carbon level.
Which one of the following, if true, would most weaken the argument in the passage?
(A) Plant life cannot survive without atmospheric carbon.
(B) It is not clear that breathing excess carbon in the atmosphere will have a negative effect on human life.
(C) Carbon is part of the chemical "blanket" that keeps the Earth warm enough to sustain human life.
(D) Breathing by animals releases almost 30 times as much carbon as does the burning of fossil fuels.
(E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.
Answers
Answer: E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.
Explanation:
If the natural adjustment process takes millions of years then it nature will not be able to adjust the levels of carbon in the atmosphere fast enough. This means that in the short term, carbon levels will fluctuate widely if more fossil fuels are burnt.
It is therefore necessary that humans reduce how much fossil fuels that burn to ensure that in the short term, situations on earth are manageable while the adjustment process goes on for millions of years.
The sequence of subunits in a protein is most directly dependent on the *
O region in the cell where enzymes are produced
DNA in the chromosomes in a cell
O type of cell in which starch is found
kind of materials in the cell membrane
Answers
Answer:
cell- optycritisynosim- lufoodoosaa- lemon pie- arteriy- scadoosh- blue 1- yellow 5- rtyu
Explanation:
my mom told me the answer hope this helps:))
Which statement is most likely to represent the way the society in the picture
values the natural environment?
A. Gardens in the backyard connect people to the environment.
B. The environment is a place to get away for the weekend.
C. Working with the environment provides food to put on the table.
D. The environment is a dangerous and hostile place.
Answers
Answer:
this would be C because wind turbines work as a way of making energy by using wind giving us electricity to cook an make our food
The statement that is most likely to represent the way society is portrayed in the picture is that working with the environment provides food to put on the table, which is in Option C, as the energy generated from the turbines can be used in cooking.
What is nature and human relationship?Human beings and the natural environment are deeply interconnected and interdependent, as ecosystems provide people with essential resources such as clean air, fresh water, and food, and they support our physical, emotional, and spiritual well-being, etc , so to promote a healthy and sustainable relationship between human beings and the natural environment, it is essential to recognize the interconnectedness of all living things and the importance of protecting and preserving the natural world.
Hence, the statement that is most likely to represent the way society is portrayed in the picture is that working with the environment provides food to put on the table, which is in Option C.
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The solutions in a u shaped tube are sapersted by a permeable membrane. The membrane is preamble only to water. Side a contains the lower concentration of sugar. What is side b
Answers
Answer:
https://youtu.be/GxztO8MM9F4
Explanation:
In a sewage treatment facility, an optimal environment is maintained for the survival of naturally occurring species of microorganisms. These organisms can
then break the sewage down into relatively harmless wastewater. For these microorganisms, the wastewater facility serves as
1.
its carrying capacity
2.
a food chain
3.
an ecosystem
4.
an energy pyramid
Answers
In a sewage treatment facility, an optimal environment is maintained for the survival of naturally occurring species of microorganisms. These organisms can then break the sewage down into relatively harmless wastewater. For these microorganisms, the wastewater facility serves as an ecosystem.
What are an ecosystem and examples?Ecosystems are the foundation of the 'Biosphere' and maintain the natural balance of the earth. For example, let's take the relationship between sheep and lion in the ecosystem; for its survival, the lion eats the sheep. And each relationship like this has an effect on other creatures and plants living in the same area.
What is the importance of the ecosystem?It provides a habitat to wild plants and animals. It promotes various food chains and food webs. It controls essential ecological processes and promotes lives. Involved in the recycling of nutrients between biotic and abiotic components.
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How is an exothermic reaction identified?
A. It has a large heat of formation.
B. It uses electromagnetic radiation.
C. It requires heat as a reactant.
D. It gives off heat as a product.
Answers
Answer:
D
Explanation:
it gives off energy as a product
How many alleles are in the gene pool?
Answers
Answer:
40 b alleles
Explanation:
Only 40 b alleles are present in the gene pool, so genetic diversity is lower. The use of gene pools allows population geneticists to see variation and the influence of natural selection in detail. A single gene may show significantly less genetic variation than the variation within the whole genome of a population
Answer:
17
Explanation:
The diagram below represents the time a cell spends in the two main phases
of the cell cycle. In which phase does a cell spend more time?
A. Prophase
B. Mitosis
C. Meiosis
D. Interphase
Answers
Answer:b
Explanation:
The cell spends more time in the meiosis phase. Therefore, option "C" is correct.
What is meiosis?Meiosis is a type of cell division in sexually reproducing organisms, therefore, producing gametes. In this process, the number of chromosomes is reduced in the gametes. These cells are known as haploid cells. The examples are sperm and ovum.
There are two phases of meiosis: meiosis I and meiosis II. Meiosis I has four stages whereas meiosis II has three stages. In meiosis I, a cell divides into two genetically distinct haploid cells. In meiosis II, the two divided haploid cells divide further in two cells. Total four cells are produced in the process of meiosis.
Meiosis is an important cell division process in sexually reproducing organisms. It is used in the production of gametes in both males and females organisms.
Therefore, meiosis take more time than mitosis due to double stages.
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This is the question I need help with.
Answers
Answer:
b is most likely to be the answer
Explanation:
What is a dominant allele?
A. In a heterozygous individual, the allele that determines the phenotype
B. An allele that will only have an affect on phenotype in a haploid organism; otherwise its presence will be masked
C. An allele that is very prevalent in a population
D. An allele that totally beats up on a recessive allele
E. An allele that has no noticeable affect on an organism's phenotype
Answers
Answer:
A. In a heterozygous individual, the allele that determines the phenotype
Explanation:
The dominant allele completely hides the expression of the recessive allele. This occurs in cases of Autosomal dominant inheritance. Even when both dominant and recessive alleles are present in the genotype, this is the heterozygous state, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.
Help answer this question:
Explain the rules for which donors can donate to other blood types and Rh factors
Answers
Answer:
AB+ blood types can donate only to AB+.
B+ blood types can donate to B+ and AB+.
A+ blood types can donate to A+ and AB+.
O+ blood types can donate to A+, B+, AB+, and O+.
AB- can donate to AB- and AB+.
B- can donate to B-, B+, AB-, and AB+.
A- can donate to A-, A+, AB-, and AB+.
O- can donate to all blood types.
1.Which of the following distinguishes the role of a floriculturist?
forces bulbs for seasonal sales
provides attractively arranged flowers for the cut-flower trade
grows flowers for gardeners, landscapers, and florists
specializes in greenhouse production of flowers
Answers
What kingdom would a bacterial organism that survive a harsh environment be place in
Answers
Answer:
Archaebacteria
Explanation:
These organisms are classified in the kingdom Archeabacteria. These are found in extreme enviorments such as hot boiling water and thermal vent under conditions with no oxygen or highly acid enviorments
______ refers to possessing different alleles for a trait.
Answers
Answer:
heterogeneous - possessing different alleles for a trait. homologous - possessing identical alleles for a trait.
Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. Scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. However, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. These global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. In Switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. Some biologists urge the collection of the few remaining individuals of some of the most threatened amphibian species, to preserve them if they become extinct in the wild. If such captive breeding programs could produce thousands of individuals from just a few of the remaining survivors, the species will still be threatened because of ______.
Answers
Answer:
a bottleneck effect
Explanation:
Genetic drift refers to the change in the allele frequencies in a population due to chance (random) events. The bottleneck effect, also known as population bottleneck, can be defined as a severe case of genetic drift caused by a drastic reduction in the population size. The bottleneck effect is well known to cause the loss of important genetic variation since alleles that were present in the original population are lost, thereby limiting its genetic diversity. One of the most common causes that may lead to a population bottleneck in a natural population is environmental disasters (e.g., earthquakes, floods, etc).
The diagram shows a cross that is similar to one of Mendel’s pea plant crosses.
What is the dominant phenotype of the offspring in the cross shown?
A.Ff
B.FF
C.blue
d.white
Answers
Answer:
C. blue
Explanation:
In genetics, homo-zygous individuals are those individuals that have the same allele form (i.e., the same allele) for a given gene/locus, whereas heterozygous individuals have different alleles for that gene/locus. Complete dominance is a form of dominance that occurs when the allele that is dominant for a given gene/locus completely masks the effects of the recessive allele in a heterozygous individual. In this case, individuals that are heterozygous (genotype Ff) exhibit a dominant flower-blue phenotype because the dominant 'F' allele completely masks the effect of the recessive 'f' allele; therefore producing a phenotypic ratio of 3:1 in the offspring of a mating between two heterozygous individuals for this single trait.
What happens to interspecific and
intraspecific competition as habitats
decline?
A. competition increases
B. it depends on the habitat
C. competition remains the same
Answers
Members of the same species compete with one another within their own species, hence option A is correct.
What is the interspecific and intraspecific competition?It demonstrates the adaptability of the species. Members of various species compete with one another across interspecific boundaries. It might result in the extinction of one species or the specialization of both.
In a population, individuals develop, procreate, and pass away. The needs of individuals within a population for survival, growth, and reproduction are quite similar. The result is frequently intraspecific competition.
The fitness of both populations is impacted by competition. The investment of resources (energy, time, and matter) in competition or avoidance of it diminishes the availability of these resources and has a negative impact on the population's ability to reproduce.
Therefore, option A is correct.
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People do not cut down trees for fuel these days. True or False
Answers
Answer:
False I think sorry if it is wrong
What was the purpose of Hardy and Weinberg´s work?
A) To learn where genetic information is stored
B) To count the total number of alleles in the world
C) To learn how to control the mating of organisms
D) To determine how allele frequency changes
Answers
I’m very positive that this is the correct answer. Let me know if you have any questions I’ll answer them the best I can :)
Answer:
Is D
Explanation:
check picture so match the answer
Keeping records of employment training is important if your establishment ever needs to provide proof of training in court.
False
True
Answers
Have a good day
explain the absorption of mineral by root hair cell if all mithochondria remove from the cell .
Answers
Answer:
The root hair cells have carrier proteins in their cell membranes. These pick up the mineral ions and move them across the membrane into the cell against the concentration gradient . Because active transport moves ions against the concentration gradient into the root hair cells, energy is needed.Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.
Which of the following best explains what may be happening in the
other structures in the video based on what you know from the
article.
Answers
Answer:
Different types of liquids from the fractioning tower are moved to different structures to be further prepared for use.
Explanation:
E2020
porque a los seres vivos se los consideran sistemas abiertos y complejos?
Answers
Explanation:
los seres vivos pueden considerarse sistemas abiertos porque cada ser vivo es un sistema complejo constituido por un conjunto de subsistemas que interactúan y funcionan por un objetivo en común, la conservación y la continuidad de la vida.