Freshwater biomes have _______.
a. organisms adjusted to high salinity
b. more diversity than marine biomes
c. a salinity of less than 1%
d. the ability to maintain their temperature year round
The right option is; c. a salinity of less than 1%
Freshwater biomes have a salinity of less than 1%
The freshwater biome is a large community of plant and animals that live in water bodies with a salinity of less than 1%. Fresh water biomes include streams, rivers, ponds, lakes, and some wetlands. The fresh water biomes cover about 20% of the earth and they contain several species of fish and animals such as frogs, crocodiles and turtles.
Freshwater biomes have a salinity of less than 1%. They do not support more diversity than marine biomes and don't maintain constant temperatures throughout the year.
Explanation:Freshwater biomes, spanning rivers, lakes, and ponds, are characterized by a salinity of less than 1%. Unlike marine biomes with high salinity, the organisms inhabiting freshwater biomes have adapted to live in low salinity conditions. Notably, freshwater biomes do not have more biodiversity than marine biomes - marine biomes are known for their rich species diversity. Additionally, freshwater biomes lack the ability to maintain their temperature year-round; they are subject to seasonal fluctuations in temperature.
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A pea plant with yellow seeds is crossed with a pea plant with green seeds. all of the offspring have yellow seeds. the allele for yellow seeds is...
a. dominant because all the offspring have yellow seedsb. recessive because all the offspring have yellow seeds.
c. dominant because all of the offspring inherited two alleles for yellow seeds.
d. recessive because all of the offspring inherited two alleles for yellow seeds ****2. two tall pea plants with yellow seeds and smooth pods are crossed. all of the offspring are crossed. all of the offspring are tall. three offspring have smooth pods and one has wrinkled pods. allele for wrinkled podsa, must be dominated because the traits does not appear in the parent plants.b, must be recessive because the trait does not appear in the parent plants.****c, must be dominant because the trait appears in the parent plants.d, must be recessive because the trait appears in the parent plants.
1. The correct answer is option A, dominant because all the offspring have yellow seeds.
If every offspring has yellow seeds, it implies that the yellow seed allele is stronger or more influential than the green seed allele.
2. The correct answer is D, must be recessive because the trait appears in the parent plants.
If the trait (wrinkled pods) shows up in certain offspring but not in the parent plants, it indicates that the allele for wrinkled pods is recessive. This means it is only becomes visible when two copies of the recessive allele are present.
Show the sequence of the base in your DNA molecule in the space provided below
what organelle breaks down and recycles worn out cells?
Lysozyme organelle breaks down and recycles worn out cells.
What is Lysozyme?A naturally occurring enzyme called lysozyme can be found in bodily fluids such milk, saliva, and tears. By cleaving the peptidoglycan component of bacterial cell walls, which results in cell death, it acts as an antibacterial agent.
Subtherapeutic doses of antibiotics, which are also antimicrobials, have been given to pigs to encourage development.
Pig farmers profit from these substances because they reduce production losses by improving feed efficiency and reducing susceptibility to bacterial infection and disease.
Therefore, Lysozyme organelle breaks down and recycles worn out cells.
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how much is the tilt of earth's axis?
in what ways are the daughter cells similar to the parent cells
Which plant structure found in lower plants produces gametes
The plant structure in lower plants that produces gametes is called gametangia.
Explanation:The plant structure in lower plants that produces gametes is called gametangia. In nonvascular plants such as mosses, liverworts, and hornworts, the gametophyte plant produces archegonia, which produce eggs, and antheridia, which produce sperm. These structures are typically found in the midst of modified 'leaves' at the ends of stems or branches.
. Some fuel cells are powered by hydrogen. Scientists are looking into the decomposition of water (H2O) to make hydrogen fuel with the help of the Sun’s energy. What challenge do scientists face with this task?
Answer:
A. Decomposing water requires a high activation energy.
Explanation:
As about 3000°C of energy is required for the more than half of the water molecules to get decomposed and is called as splitting of water. Requires excess of energy to over the barriers of activation.Which of the following is most likely to move through the cell membrane by facilitated diffusion? A. Small lipids, B. 02, C. C02, C. Na+
The is the muscular tube that carries food to the stomach.
HEEEELPPP!!!:(
of all the organelles in the cell, which has the strongest analogy to the function of a factory? which has the weakest?
Transports water and sugars in a plant
a.) non-vascular tissue
b.) vascular tissue
Answer:
b vascular tissue
Mario at lab table A needs a pair of forceps (tweezers). Max at lab table B tosses Mario a pair. In terms of laboratory safety, which best describes Max’s behavior?
Answer:
It is unsafe and can result in someone getting hurt.
Explanation:
Which of the following is an agricultural science that deals with crop production and improvement.
Genetics
Biology
Botany
Argonomy
The correct answer is Agronomy.
Agronomy is a branch of agriculture science which deals in crops and the related soils. It is actually integration of many sciences. How to grow crops effectively and profitably without damaging environment and judicious use of natural resources are dealt in agronomy. Agronomy also develops techniques for the better use of soil and increase the food production.
Is black coffee an element compound or mixture
Black coffee is a heterogeneous mixture, not an element or compound. It consists of many components extracted from coffee beans by the water during brewing, which can be separated by physical means.
Explanation:Black coffee is considered a mixture, specifically a heterogeneous mixture, not an element or compound. This is because it is composed of several substances that are not chemically bonded together. When you brew coffee, water extracts the flavors and compounds from the coffee beans through a process called infusion, creating a beverage that contains water, various coffee compounds, oils, micro grounds, and even a small amount of dissolved gasses. These components can be physically separated from each other, for example through filtration or evaporation, which is a characteristic of mixtures.
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Who discovered cells?
how do you valves help circulate blood through heart
Answer:
Valves allow one–way circulation of blood so that it does not flow back.
Explanation:
i got it right when i took the test
What is the definition of zygote??
A zygote is a fertilized ovum, or egg, that forms when a sperm cell merges with an egg cell during conception. This single-cell structure is diploid, which means it contains two sets of chromosomes - one from each parent - amounting to the full number of chromosomes necessary for a human being.
The genetic composition and sex of the zygote are determined at the moment of conception, as half of the 23 chromosomes from the sperm join with half from the egg, totaling the 46 chromosomes required for a complete human genome. The zygote then undergoes a process of cell division, known as mitosis, multiplying and developing from a one-cell structure into the billions of cells that make up a human body. The zygote’s journey from fallopian tube to uterus is critical, and it must attach to the uterine wall to continue development. Throughout mitosis, the zygote's cells differentiate into the various organs and tissues that form the developing organism in a pattern decided by the genome. This developmental stage is critical, and not all zygotes survive it. Those that do, proceed to the next phases of embryonic and then fetal growth, culminating in the birth of a new human being.
The organelle identified in the picture as #10 helps the cell maintain homeostasis in what way? This organelle is the smaller white circularly shaped organelle found in the top middle of the image.
The ATP molecule can be considered a form of chemical energy because
A. It stores the energy from the glucose in the bonds between the phosphate groups
B. It has a five carbon sugar like RNA
C . It takes in light energy from the sun
D. It is a form of fat
Answer: D
Explanation:
According to the gene-chromosome theory, witch statement is true...
A) Genes are presented only in human gene-chromosome
B) Genes are arranged in linear sequence on a chromosome
C) Alleles are located on non-homologous chromosome
D) mutation occurs mainly in sex cells
E) None of the above
The correct statement according to the gene-chromosome theory is B) Genes are arranged in linear sequence on a chromosome.
The Chromosomal Theory of Inheritance, which is the basis of understanding how traits are passed on from one generation to the next, establishes that genes are indeed organized linearly on chromosomes like beads on a string. Each chromosome contains multiple genes, and the position where a particular gene is located on a chromosome is known as the gene's locus. Alleles are different versions of a gene found at the same locus on homologous chromosomes. While mutations can occur in any cell, they are not constrained mainly to sex cells. Therefore, statements A, C, and D are incorrect, and statement E is not applicable since there is a correct statement presented. It's also important to note that alleles for a gene on non-homologous chromosomes follow the principle of independent assortment.
All living things need energy; it is a requirement for life. In a typical cell, ATP, the high energy molecule, is produced in the __________ in the presence of a sugar (glucose) and ______________
The answers that fit in the blanks are: mitochondria and oxygen
The first thing about this question you need to understand is how cell respiration works, and why does it exist in the first time. Well, it's a common theory between the scientists that the mitochondria is a bacteria due to its own DNA, but why would a cell have a bacteria inside of it? Well, in science you need to see things from the point that if that's worth it for me (as a cell) why not? It'll provide me ATP during the process, I'll have energy enough to survive the environment, I'll start using oxygen too, it helps developing more and more ATP, and it shows its presence on the atmosphere, so, why not right?
But remember, in science, time flows really fast, these things took cells millions and millions of years to really happen, and that's how science works.
Which of the following statements best describe a slump?
A. Slippage of a block of material moving along a curved surface
B. Blocks of rock sliding down a slope
C. Rapid flow of water-saturated debris, most common in mountainous areas
D. Slow downhill movement of soil regolith
Answer;
A. slippage of a block of material moving along a curved surface
Explanation;
-A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or rock layers moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface.
-A slump often occurs when water soaks the base of an inclined mass of soil. Slump is a slower process, it happens over time. The difference between a creep and a slump is that a creep moves slowly and gradually while a slump is faster and causes more drastic changes in terrain. A slump is a downward and outward movement of rock, soil or other material.
A slump, in geographical context, is described as 'slippage of a block of material moving along a curved surface.' It is a type of mass wasting where material coherently slides down a slope, resulting in a terraced look.
Explanation:The statement that best describes a slump is 'slippage of a block of material moving along a curved surface.' A slump is a type of mass wasting event that occurs when gravity causes the downward movement of rock, soil, or other earth materials on a slope. In this process, the material moves downward as a large, coherent mass following a curved slip surface often resulting in a terraced appearance.
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During the process of photosynthesis,energy from the sun is converted into
Answer:
radiant; chemical
Explanation:
1. When we perform an experiment, we
a. measure independent variables,
b. produce dependent variables.
c. produce control variables.
d. produce a comparison.
e. hold independent variables constant.
Due to the increase in global temperatures, the range of plants and insects is increasing. The negative impact is that they now affect the local organisms in the area and are referred to as ______ species.
Plants and insects expanding into new regions due to global temperature increases are known as Invasive Species. This can upset local ecosystems, such as causing a mismatch in timing between when plants bloom and when their insect pollinators emerge. The impacts of these species can be negative for local organisms.
Explanation:Due to the increase in global temperatures, the range of both plants and insects is expanding, introducing them to new regions. This phenomenon can have negative impacts on local organisms as they compete with or be preyed upon by these new arrivals. The term for these new arrivals is Invasive Species. As a result of global climate change, these species are able to inhabit regions which were previously inhospitable, affecting the local ecosystems and organisms. An example of this can be seen where warmer temperatures have allowed plants to bloom earlier, but if their insect pollinators aren't also emerging earlier, it creates a mismatch in timing which could lead to negative impacts on the ecosystem. This is because in order for these plants to continue to survive, they must flower when their pollinators are present.
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Due to the increase in global temperatures, the range of plants and insects is increasing. The negative impact is that they now affect the local organisms in the area and are referred to as invasive species.
Explanation:The term you're looking for is "invasive species." As global temperatures rise, there is an observed expansion in the ranges of certain plants and insects. These organisms can have a negative impact on local ecosystems as they outcompete native species, disrupt food chains, and modify habitats. Invasive species may also contribute to the decline of native organisms due to changes in phenology, the timing of lifecycle events like flowering and pollination.
The increase in global temperatures affects abiotic conditions, such as temperature and precipitation, which in turn influences the phenology of plants and animals. Earlier flowering times in plants and changes in the life cycles of insects can lead to mismatches in pollination times, potentially causing ecosystem disruption. Additionally, the spread of disease-carrying insects can bring about new health challenges as warmer climates allow these pests to expand their range and accelerate their breeding.
More broadly, climate change not only leads to direct changes in species distributions, but also to indirect effects such as increased competition among species, altering mutualistic relationships such as pollination, and changes in herbivory and seed predation rates. These factors contribute to the complex ways in which ecosystems are being reshaped by the increase in global temperatures, emphasizing the need for careful management and conservation efforts.
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Which type of cell is a stomach cell?
What is apart of the lithosphere?
Colorado has a vast population of lodgepole pines. A population of lodgepole pines have been killed in a section of the forest. What is a possible limiting factor of that population? devastation by the pine bark beetle Colorado’s long history of acidic soils genetic variability shallow root system
The correct answer is devastation by the pine bark beetle.
The pine bark beetles are very common pests, which are found on the pine trees of the Colorado. These beetle feed on the bark of the pine trees, which result in the loss of nutrition and trees becomes dead. In the given case, the attack of the pine bark beetle can be the reason for death of the pine trees and limiting factor to the population.
What is the difference between a chlorophyte and a charophyte?