B) Why would a fast-growing weed more quickly evolve a resistance to toxic chemicals than a slow- growing tree? (3 points)
Answers
A fast-growing weed will evolve a resistance to toxic chemicals more quickly than a slow-growing tree because of the differences in their respective lifespans.
The shorter life span of a weed means that it undergoes more generations over a given period of time than a tree. This allows it to accumulate more genetic mutations, some of which may be beneficial in allowing it to survive in a toxic environment.
With each generation, the beneficial mutations are passed down to the next generation and are more likely to become more entrenched in the population of the weed. In addition, since weeds reproduce rapidly, any resistance that is acquired can spread quickly in the population, allowing it to outcompete other species and survive in a toxic environment.
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Related Questions
Imagine that a company is planning to build a new factory in your region that will provide hundreds of well-paid jobs, but will cause minor amounts of air pollution within a two-mile radius. Answer the following questions: How would you rate your support for the factory if you lived 50 miles away from its planned location? How would you rate your support for the factory if you only lived one mile away from its planned location? Explain any differences between your answers.
Answers
I'm aware that well-paying jobs would be beneficial to a large number of people, and a tiny bit of air pollution in a restricted region seems like a modest price to pay for employment opportunities. Therefore, if I lived 50 miles away from the proposed industrial location, I would be in favor of the project. However, if I merely lived a mile from the proposed facility, I could be concerned due to potential negative health consequences, offensive odors, and a likely drop in property values. If I merely lived a mile from the factory's proposed location, I would oppose it in light of these worries.
Hw many bones make up the axial skeleton
Answers
Explanation:
80 bones
SEER Training: Axial Skeleton (80 bones)
Reproduction by simple cell division is called sexual reproduction, whereas the process in which two parents contribute genetic material to offspring is called asexual reproduction.
True or False
Answers
Answer:
False
Explanation:
The process by which two parents contribute genetic material to offspring is sexual reproduction. And reproduction by sple cell division is sexual reproduction
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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How much did the temperature vary in each city?
Answers
Answer:
In Lethbridge, the average high is 6 degress celsius and average low is-6.5 degrees celsius. With a 8.8 degrees celsius temp range. For Halifax, the average high is 3 degrees celsius and the average low is -5.8 degrees celsius. With a 12.5 degrees celsius temp range.
A zygote is the result of which life cycle process in spermatophytes?
a) germination
b) fertilization
c) pollination
d) cell respiration
Answers
Hope this helpsssss
Examples of Biotic factors include
A) grass, flowers, and sunlight
B) grass, trees, bees, and ants
C) Grass, trees, soul, and water.
D) All of the above
Answers
Charles Darwin concluded that the 13 species of finches on the Galapagos islands:A. all adapted to the same predators in different ways.B. All of these.C. probably evolved from one single ancestral species from the mainland.D. are identical to species on the mainland.
Answers
The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.
Did the growth rates of the bass and crayfish suggest that the level of phosphate in the pond affects their growth?
Answers
Answer:
the answer is no
Explanation:
the answer is no
secretions of the female reproductive system mostly serve to ____________ the reproductive organs involved with intercourse.
Answers
Secretions of the female reproductive system mostly serve to lubricate the reproductive organs involved with intercourse.
The female reproductive system consists of internal and external organs. It creates hormones and is responsible for fertility, menstruation, and sexual activity. The female reproductive anatomy includes both external and internal parts. The function of the external genitals is to protect the internal parts from infection and allow sperm to enter the vagina.
The female reproductive system provides several functions. Ovaries produce eggs. These eggs are then transported to fallopian tube during ovulation where fertilization may occur.
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what are two types of bonds are found in DNA and where do you find them?
Answers
Answer:
Covalent and Hydrogen
Explanation:
The DNA double helix has two types of bonds, covalent and hydrogen. Covalent bonds exist within each linear strand and strongly bond bases, sugars, and phosphate groups (both within each component and between components).
Explain why Euglenozoa cannot be classified as either plants or animals?
Answers
Euglenozoa are monophyletic group of flagellated protists as well as free-living, symbiotic, and parasitic species. According to genetic studies, Euglenozoa are meither plant nor animal despite the suffix zoa. They are somewhat the living dependent of a few of the primal unicellular organisms called eukaryotes. It is also a genus of unicellular flagellate protists where the word "unicellular" means that the organism consists of one cell only that's why they're not considered plant or animals.
Two hyphae from different mating types come together, forming ______.
Answers
Two hyphae from different mating types come together, forming a fusion cell or a gamete fusion structure.
Two hyphae from different mating types come together, forming a heterokaryotic mycelium. In this process, the hyphae undergo plasmogamy, which is the fusion of their cytoplasm, allowing the nuclei from the different mating types to coexist in the same mycelial structure.
In 1847, Theodore Schwann continued the theory that all living organisms are composed of cells, adding that cells are not uniform and are the basis of life. Schwann found that in some cells, the cell wall and lumen fuse. It is this observation that provides the first clues to cell connectivity. It wasn't until the 1960s that neurologists deliberately used cells for the first time. To fuse these cells, biologists isolated cells with the same type of tissue and fused their outer layers using the Sendai virus, a mouse respiratory virus.
Each fused hybrid cell has a nucleus with chromosomes from both fusion partners. Synkaryon became the name of this mobile phone. In the 1960s, biologists successfully cloned cells of various types and types. Heterokaryons, the hybrid products of these fusions, are hybrids that retain two or more separate nuclei.
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What is the longest stage of the cell cycle? G1 OS G2 Prophase Metaphase Anaphase Telophase Cytokinesis
Answers
Interphase is the longest stage of the cell cycle
A major allosteric regulator of both glycolysis and gluconeogenesis is:
A) 2,3-bisphosphoglycerate
B) 1,3-bisphosphoglycerate
C) fructose-2,6-bisphosphate
D) fructose-1,6-bisphosphate
E) none of the above
Answers
The major allosteric regulator of both glycolysis and gluconeogenesis is 2,3-bisphosphoglycerate (2,3-BPG). This molecule is an important intermediate in the pathway of glycolysis.
Where it is formed from 1,3-bisphosphoglycerate (1,3-BPG) and then converted into phosphoglycerate. In red blood cells, 2,3-BPG binds to hemoglobin and regulates its affinity for oxygen, promoting the release of oxygen to the tissues. In glycolysis, 2,3-BPG binds to the enzyme phosphoglycerate mutase and promotes the formation of 2,3-BPG from 1,3-BPG.
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How are distance-time graphs useful? Explain, and if possible discuss your answer with your teacher and classmates.
Answers
Answer:
Explain, and if possible discuss your answer with your teacher and classmates. Answers will vary. Sample. Answer: Distance-time graphs show the starting position, direction, and speed of a moving object. If there are two objects, the distance-time graph can show which object is moving faster, which.
Explanation:
Hope it helps
Distance-time graphs are useful because they represent the movement or an object and how the distance moved from a starting point changes over time.
What is an Organism?
Answers
Answer: Any living thing that functions as an individual entity, by means of organs.
Hope this helps :)
Explanation:
Reacting to stimuli, reproducing, growing, and maintaining homeostasis are all characteristics of living beings. Specified groups of organisms, such as multicellular animals and plants, are classed according to taxonomy.
A living organism is what?A living entity is therefore anything that contains life and uses cells as its fundamental form of organization. The list of living things includes people, fungus, algae, trees, animals, bacteria, protozoa, and insects.
Is a live thing an organism?A living thing's ability to feed, breathe, expel waste, and carry out all other essential processes of life is made possible by the components that make up its cells. The parts fit and function together because they are organized, which they are. This is the basis for the term "organism" to describe living creatures.
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Are carbon compounds and organic compounds the same
Answers
Which is NOT true about eukaryotic cells?
A. They are larger.
B. They contain ribosomes.
C. They have no nucleus.
Answers
Answer:
C
Explanation:
eukaryotic cells do have a nucleus, so it would be wrong to say that they don't have a nucleus.
ANSWER QUICKLY PLEASE!!Provide the complmentary DNA sequence, mRNA sequence, and amino acid sequence for the following DNA segment. TGTTCTGCCATGACT
Answers
Answer:
mRNA complementary:
ACCAAGACGGUACUGA
A=U C=G G=C T=A
DNA complementary:
ACAAGACGGTACTGA
A=T C=G G=C T=A
Explanation:
Hope this helps! :)
And just to clarify, with mRNA the only thing that changed is the A=U.
how many duplicated chromosomes does it have during metaphase i of meiosis?
Answers
There will be two chromatids (2 DNA molecules) by the time metaphase I occurs.
Chromatin refers to a mixture of DNA and proteins that form the chromosomes found in the cells of humans and other higher organisms. Many of the proteins — namely, histones — package the massive amount of DNA in a genome into a highly compact form that can fit in the cell nucleus.
Chromatin is a complex of DNA and protein found in eukaryotic cells. The primary function is to package long DNA molecules into more compact, denser structures.
Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes (the sex cells, or egg and sperm). In humans, body (or somatic) cells are diploid, containing two sets of chromosomes (one from each parent)
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The somatic cell of a rat contains 42 chromosomes (2=42). How many chromosomes and how many dna molecules would the secondary spermatocyte of this rat have?
Answers
There are the same number of chromosomes and DNA molecules in this rat's main spermatocyte cell as in its somatic cell (42 chromosomes). This is due to the fact that primary spermatocytes are still diploid because they have not experienced meiosis to form secondary spermatocytes (2n).
What is meiosis?In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells that results in the production of gametes, such as sperm or egg cells. It comprises two rounds of division, producing four cells with only one copy of each chromosome as a final product (haploid).
Additionally, each chromosome undergoes genetic material cross-pollination between the paternal and maternal copies before division, resulting in novel combinations of the genetic code on each chromosome. Later, when a male and a female go through meiosis, the haploid cells they generate unite to form the zygote, another cell with two copies of each chromosome.
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How is the Excretory System organized?
Answers
Answer:
Organs of excretion make up the excretory system. They include the kidneys, large intestines, skin, liver and lungs.
Why do secondary sexual characters(jikffbihpz) grow during adolesecnece?
Answers
Answer:
typically develop during adolescence as a result of hormonal changes in the body.
Explanation:
I am not sure what you mean by "jikffbihpz." Could you please provide more context or clarify your question?
Also the term "secondary sexual characters" typically refers to physical characteristics that distinguish males from females in sexually reproducing species, such as antlers on male deer or breasts on human females. These characteristics are not related to the reproductive organs themselves (the primary sexual characteristics) and typically develop during adolescence as a result of hormonal changes in the body.
Ecologists use a method of studying a particular population of animal within a community called mark and recapture. A researcher captures, marks, and releases 40 red fox into a large community. He then collects 100 different red fox over the next year. If the recapture rate is 10%, what is a reasonable estimate of the red fox population size?
A) 40.
B) 400.
C) 4000.
Answers
The population size is B) 400. The recapture rate is the number of marked individuals recaptured divided by the total number of individuals captured. In this case, the recapture rate is 10%, so 10% of the population is marked.
The mark and recapture method is a technique used to estimate the size of a population. The method involves capturing a sample of individuals from the population, marking them in some way, and then releasing them back into the population. After a period of time, another sample of individuals is captured and the number of marked individuals in the second sample is counted. The size of the population is then estimated using the following equation:
Population size = (Number of marked individuals in the second sample) / (Recapture rate) * (Total number of individuals captured in the second sample)
In this problem, the researcher captures 40 red fox and marks them. He then captures 100 red fox and finds that 10 of them are marked. The recapture rate is therefore 10 / 100 = 0.1.
The population size is then estimated as follows:
```
Population size = (10) / (0.1) * (100) = 400
```
Therefore, the answer is B.
Here are some of the assumptions of the mark and recapture method:
* The marked individuals are randomly distributed throughout the population.
* The marked individuals do not have a higher or lower chance of being captured than unmarked individuals.
* The population size does not change between the time the first sample is captured and the time the second sample is captured.
The mark and recapture method is a relatively simple and inexpensive method to estimate population size. However, it is important to be aware of the assumptions of the method in order to make accurate estimates.
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As the concentration of molecules outside a cell increases, more molecules will enter the cell
because
Answers
Of diffusion
Explanation)
Molecules move down a concentration gradient without the need to use energy. This means they move from a high concentration to a low concentration. This occurs across a semi- permeable membrane, like a cell membrane, by simple diffusion.
The solution is isotonic to the cell if the concentration of solutes inside and outside the cell are equal, and the solutes cannot cross the membrane.
What is the difference between the concentration of molecules inside and outside the cell?
At first, there are more molecules concentrated outdoors.Up until the concentrations are the same on both sides, there is a net migration of molecules from the outside to the inside of the cell.Simple diffusion is the movement of tiny, uncharged molecules or molecules that are soluble in lipids into or out of the cell, from regions of high concentration to regions of low concentration (they move down their concentration gradient). Particles of a solution will continue to flow over the membrane in both directions even after equilibrium is attained.However, there is no further change in concentration because almost equal quantities of particles flow in each directionWater does not enter or leave a cell if the % concentration is the same both inside and outside.Water will flow into a cell if the percent concentration inside the cell is higher than the percent concentration outside the cell. A solution is said to be hypertonic if it has a higher concentration of solutes than the cytosol inside a cell. In biology, tonicity refers to a solution's solute concentration in relation to that of another solution on the other side of a cell membrane.To learn more about molecules refer
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Which statement best explains why herbivores are not considered parasites
Answers
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.
hope this helps,have a great day!!
~Pinky~
I’m
How is the sentence below BEST written?
Water satisfies your thirst even better then lemonade does.
change then to than
change your to you're
change satisfies to had satisfied
change better to more
Please help me
Answers
The sentence "Water satisfies your thirst even better then lemonade does." is best written as "Water satisfies your thirst even better than lemonade does." by changing then to than, option "A".
What makes a sentence a sentence?Sentences start with a capital letter, ends with either a full stop, question mark or an exclamation mark and has a subject and a verb. A sentence also contains a predicate.
Predicate are parts of the sentence that states what the subject is about. Sentences can contain conjunctions such as "than" used for comparison and as a preposition. The word "than" gives a better meaning to the sentence "Water satisfies your thirst even better than lemonade does."
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Answer: b
Explanation: your in summer school to
help meeeee?
write a description of the ecosystem including biotic and abiotic factors? plz
Answers
Answer:
The correct answer is - Biotic factors are any living factors and abiotic factors are anything non-living in an ecosystem.
Explanation:
An ecosystem consists of all living organisms, non-living organisms that are present in a physical environment in a particular geographical area. The physical environment consists of several factors such as landscape, pH, climate, salinity, and other factors that represent abiotic factors.
Any living organism present in an ecosystem is biotic factor Examples of biotic factors include are mammals, birds, trees, microbes, grasses, fish, bacteria, and many more.
Which of the following is an outer covering that protects the other body parts?
Brain
Eyes
Muscles
Skin
Answers
Answer:
its skin
Explanation:
skin is what covers the body parts !!