Is the kingdom monera single or multi celled
Answer:
kingdom monera is single celled
Kingdom monera is single-celled.
Which one of these is not a human effect on the water cycle?
Developed areas prevent soil from absorbing rainwater
Precipitation is increasing in deserts due to an increase in water use
Air pollutants also wash back into the land and water bodies from precipitation
Storm water runoff carries pollution
Answer:
Precipitation is increasing in deserts due to an increase in water use
Explanation:
Just see for yourself
The one that is not a human effect on the water cycle is precipitation is increasing in deserts due to an increase in water use. The correct option is B.
What is the water cycle?The continual movement of water on, above, and below the Earth's surface is referred to as the water cycle, also known as the hydrologic cycle or the hydrological cycle.
One of the most essential elements of human life is water. There is water all over. It passes through your house as well as rivers, mountains, lakes, and oceans. Without water, neither humans nor any other species could survive.
In the majority of deserts, the air's moisture content is very low. In the dry air, light raindrops frequently evaporate before they can reach the ground. Rainstorms can occasionally appear as ferocious cloudbursts.
Therefore, the correct option is B. Precipitation is increasing in deserts due to an increase in water use.
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When meiosis occurs, it ends with:
A) Four haploid cells
B)Four diploid cells
C)Two diploid cells
D)Two haploid cells
At the time when meiosis arise it ended with the option A. ) Four haploid cells
What is meiosis:
Meiosis refers to the type of cell division that decreases the no of chromosomes in the parent cell also it generated the four gamete cells.
This process is needed to generate the egg and the sperm cell should be required for se-xual reproduction. Also, Meiosis generated the 4 haploid cells, while on the other hand, mitosis generated 2 diploid cells.
Hence, the correct option is A.
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You observe two distinct behavioral strategies among flocks of house sparrows. In one strategy, individuals (producers) search for food patches. In the other strategy, individuals (scroungers) wait for producers to find food and then feed in the patches found by the producers. The relative frequency of these strategies differs in flocks, and you observe that the scroungers have high fitness (a high feeding rate) when they are rare in a flock and low fitness when they are common in a flock. What is one possibility for the persistence of the two phenotypes in this population
Answer:
Frequency-dependent selection
Explanation:
Frequency-dependent selection is a type of natural selection where the fitness or reproductive success of a particular phenotype/genotype in the population is dependent on its frequency in the population. This type of natural selection can be both positive or negative. Frequency-dependent selection is a critical process that helps to maintain the genetic variability at population and species levels. A known example of frequency-dependent selection (positive) is the mimicry of butterflies, where selection can favor non-poisonous butterflies that show the same colors as poisonous butterflies.
Which type of traits are neither dominant nor recessive but are a combined variation of both?
Codominant traits
Heterozygous traits
Polygenic traits
Sex-linked traits
Answer: codomiant traits.
Explanation: just took the pretest and that was the answer.
The bark of a tree trunk includes which of the following tissues?
A. primary and secondary phloem
B. Heartwood and phloem
C. Heartwood and sapwood
D. Secondary phloem and layers of periderm
match the words to the definitions
Answer:
Homo- means same
tetra- mean 4
Explanation:
Tetra:4 Homo: Same
:) :) :) :) :)
Help so easy with number 5
What are two examples of adaptations used by animals that live in aquatic biomes?
Answer: Common oceanic animal adaptations include gills, special breathing organs used by some oceanic animals like fish and crabs; blowholes, an opening on the top of the head that's used for breathing; fins, flat, wing-like structures on a fish that help it move through the water; and streamlined bodies.
Explanation: Hope this helps :)
The two examples of adaptations used by animals that live in aquatic biomes are gills and webed feet. The correct option is D.
What is adaptation?A structural adaptation is one that is physically a part of the organism. Another type of adaptation is behavioural, which modifies how an organism reacts to its surroundings.
Aquatic animals have adapted by, among other things, having stream-lined bodies that make swimming easy for them.
Their respiratory system is made up of gills. Fish have many different types of fins, including pectoral, and caudal fins, which serve as their locomotory organs.
There are two different kinds of aquatic ecosystems: freshwater and marine. These aquatic adaptations include: inside human bodies, there are specific air spaces.
The fins are present. Oil droplets on microscopic plants keep them floating.
Thus, the correct option is D.
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Your question seems incomplete, the missing options are:
a. depth and water flow
b. temperature and body shape
c. large ears and lungs
d. gills and webed feet
5. Dieting often leads to weight gain.
True
False
Answer:
the answer is false. Dieting usually leads to weight loss.
Scientists have discovered convection
currents inside Earth. Explain how these
convection currents move and what layer(s)
they occur in.
Answer:
The convection currents move in a slow churning motion
Explanation:
This movement happen in the mantle which includes the lithosphere, the Asthenosphere, and the mesosphere
Is this correct please tell me if it is and if it ain't tell me correct answer
Answer:
I think u right. it's what I woulda picked
Section 1
A plant with a hybrid genotype for red flowers is crossed with a plant that is purebred recessive for white flowers. What percentage of the offspring
should have white flowers?
. 100%
75%
50%
25%
Answer:
50%
Explanation:
If you use a punnet square with Rr x rr you will get 50% white
50% of the offspring should have white flowers when we cross a hybrid genotype for red flowers with pure recessive for white flowers shown in the Punnett square. So, the correct option is C.
What is Punnett square?Punnett square is defined as the diagram that represents the possible genotypes of the offspring developed after a reproductive event. It was first developed by geneticist Reginald Punnett where the possible genotypes of the offspring are represented in a tabular form with each box in the table representing an event of fertilization.
For above given example,
Rr genotype represents the red flowers.
rr genotype represents the white flowers.
The Punnett square will be:
R r
r Rr rr
r Rr rr
So, 50% have red flowers while 50% have white flowers.
Thus, the correct option is C.
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In one experiment, the heart rate of a mollusk at rest was measured at 0.3 cycles/s. How many times did the mollusk's heart beat in 1 min?
Answer:
18 times
Explanation:
Heart rate = 0.3 cycles/s
Heart rate = [tex]\frac{number of cycles}{time}[/tex]
number of cycles = heart rate x time
But, 1 min = 60 seconds
⇒ number of cycles = 0.3 x 60
= 18
Thus, the number of times that the Mollusk's heart beat in 1 min is 18.
in the nitrogen cycle, nitrogen can return to the lithosphere directly from the atmosphere by
Answer:
a small amount of nitrogen is fixed by lightning, but most of the nitrogen harvested from the atmosphere is removed by nitrogen-fixing bacteria and cyanobacteria (formerly called blue-green algae). The nitrogen cycle transforms diatomic nitrogen gas into ammonium, nitrate, and nitrite compounds.
Hope that helps!
The diagram below shows a model of four waves. An image of four waves labeled W, X, Y, Z is shown. Wave W has the smallest distance from crest to crest across the length of the wave. Wave Z has the largest distance from crest to crest across the length of the wave. Wave X has a larger distance from crest to crest than Wave W but are not as far apart as Wave Y. Wave Y has a larger distance from crest to crest than Wave X but not as far apart as Wave Z. Which wave has the lowest frequency? W X Y Z
Answer:
The Answer is D(Z)
Hope this helps-KayPea
Explanation:
Answer:
The Answer is D(Z)
Explanation:
What could Carl Linnaeus no have used as a method of classification in his taxonomy system ?
A. DNA
B. the habitats of organisms
C. structure of organisms
D. apperance of organisms
Answer:
A. DNA
Explanation: can i have brainly :))
Why do paleontologist study fossils ?
Answer:
Paleontologists study fossils so that we can understand the evolution's from past species to the current ones. It also opens a window to discovering exactly how long earth has been around by finding out the age of the fossil itself. Though paleontology has been in the decline recently, and i'm sure we haven't found out all we need to know from these fossils.
Explanation:
Little brown bats are a species of bat in the genus Myotis. Little brown bats are extremely common in North America, where they roost in houses, buildings, or trees. In the winter, the bats hibernate in caves, unused mines, or other similar locations. Unfortunately, little brown bats are threatened due to white-nose syndrome. Given these terms related to bats, match the term to the level of biological organization.all little brown bats
Answer: population: The bat species of North America
community : a little brown bat
organism: bat
Explanation:
Here, the population of the bat resides in the North America in the houses, trees and buildings they hide in the caves in winters for hibernation. Inside the cave they form a bat community here the organism is bat. These bats are threatened in numbers due to white nose syndrome. The white nose syndrome is the fungal growth on the wings and muzzles of the bats. The fungus affects the bats during hibernation, when the bats trying to save their energy by reducing their metabolic rate. It is transferrable from one bat to another thus can infect the entire population of bat. It is a dangerous disease.
g Which on the list below is allowed in a Biohazardous waste ility of your PI or LSC to provide you with agent specific training in your lab: A. True B. False Work with microorganisms not known to cause disease in healthy adults is done at: A. Bio safety level 4 B. Bio safety level 3 C. Bio safety level 2 D. Bio safety level 1 Biohazardous waste boxes are provided by: A. Discounted pricing by Sourcing B. Work order by Facilities C. Custodial staff or EHS D. None of the above It is ok to use fuming chemicals in the biosafety cabinet because they are filtered and the air is cleaned before leaving the building: A. True B. False Before beginning work inside a Biological Safety Cabinet do all the following except: A. Disinfect the inside surface of the cabinet B. Turn on blower and let cabinet run for 15 minutes prior to work commencing C. Fill the cabinet with equipment and obstruct air flow D. All of the above You self-transport out of the USA all research samples without documentation: A. True B. False
Answer:
True
False
Bio safety level 1
Custodial staff or EHS
True
All of above
True
Explanation:
Micro organisms are little organisms which are not seen by naked eyes. They can harm human and cause diseases in humans. The statement is true.
Which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event? Select all that apply. Select all that apply. wild type miniature wings garnet eyes miniature wings, garnet eyes SubmitRequest Answer Part B If 800 offspring were produced from the cross, in what numbers would you expect the following phenotypes? __wild type : __ miniature wings : __ garnet eyes : __ miniature wings, garnet eyes Enter your answer as the number of flies of each phenotype separated by a colon (example: 100:300:100:300).
Complete question:
The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. Phenotypically wild-type females (m + g / mg +) were mated to miniature-winged males with garnet eyes.
Part A
Which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event?
Select all that apply.
garnet eyes wild type miniature wings miniature wings, garnet eyesPart B
If 800 offspring were produced from the cross, in what numbers would you expect the following phenotypes?
__wild type : __ miniature wings : __ garnet eyes : __ miniature wings, garnet eyes
Enter your answer as the number of flies of each phenotype separated by a colon (example: 100:300:100:300).
Answer:
Part A:
2. wild type (m+g+/mg)
4. miniature wings, garnet eyes (mg/mg)
Part B:
32:368:368:32
Explanation:
When calculating the recombination frequency, we need to know that 1% of recombinations = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.
The map unit is the distance between the pair of genes for which every 100 meiotic products, only one results in a recombinant one.
So, en the exposed example:
PART A:
First, we need to Identify the gametes for the individual with the genotype m + g / mg + and label parental and recombinants
Gametes:
m+ g parental type m g+ parental type m+ g+ recombinant typem g recombinant typeKnowing that the only possible gamete type for the other parental is mg, then we can identify the phenotypic classes of the offspring that were generated as a result of a crossover event. These would be
2. wild type (m+g+/mg)
4. miniature wings, garnet eyes (mg/mg)
PART B:
We know that the total number of individuals equals 800.We also know that the distance between genes equals 8 MU.To calculate the number of the phenotypes among the offsprings,
8 map units = 8% of recombination in total
= 8/2% m+g+/mg + 8/2% mg/mg
= 4% + 4%
The recombination frequency of m+g+/mg equals 0.04
The recombination frequency of mg/mg equals 0.04.
100% - 8% = 92% of parental in total =
= 92/2% of m+ g/mg + 92/2% m g+/mg
= 46% + 46%
The recombination frequency of m+g/mg equals 0.46
The recombination frequency of mg+/mg equals 0.46.
The frequency for each ggenotype is:
F (m+g+/mg) = 0.04 F (mg/mg) = 0.04. F (m+g/mg) = 0.46 F (mg+/mg) = 0.46.The number of individuals with each genotype is:
m+g+/mg = 0.04 x 800 = 32mg/mg = 0.04 x 800 = 32m+g/mg = 0.46 x 800 = 368m g+/mg = 0.46 x 800 = 36832 wild type : 368 miniature wings : 368 garnet eyes : 32 miniature wings, garnet eyes
Summarize the water cycle
Answer:
The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. ... The cycling of water in and out of the atmosphere is a significant aspect of the weather patterns on Earth.
The volume of a liquid is often given in a. meters. c. liters. b. centimeters. d. square units. Please select the best answer from the choices provided A B C D Mark this and return
Answer:
C
Explanation:
Liters is a normally used measurement for liquids.
why is staining done
Answer:
The most basic reason that cells are stained is to enhance visualization of the cell or certain cellular components under a microscope. Cells may also be stained to highlight metabolic processes or to differentiate between live and dead cells in a sample.
Solar energy is difficult to store.
Answer:
si
Explanation:
Answer:
I believe that if you were to install a home battery, it should be pretty easy to store the excess energy for later use.
So, my guess is that it's false.
The area of the picture highlighted by the green square is a monomer of nucleic acids(DNA/RNA). Which of the following is the name for that monomer?
A. phosphate backbone
B. thymine
C. nucleotide
Answer:
C. Nucleotide
Explanation:
There are four types of biological molecules existing in nature. These are: carbohydrates, proteins, lipids, and nucleic acids. Nucleic acids are biological polymers made up of monomeric units called NUCLEOTIDES.
A nucleotide as depicted in the attached image is a molecule made up of three components namely; Penrose sugar, phosphate group, and nitrogenous base (adenine, guanine, cytosine and thymine). Based on the image in this question;
A represents ADENINE
S represents SUGAR
P represents PHOSPHATE GROUP
Hence, the monomer is a NUCLEOTIDE.
Please Help Me ASAP.
Answer:
my take on this is B, i would wait for others tho
Explanation:
How would you prepare 500 ml of 0.1 M MgSO4 from a stock solution of 2 M MgSO4?
Answer:
J
Explanation:
Help me with number 6 please its esay
Answer:
A
Explanation:
Learnt this 2 yrs ago in geography class
Answer:
a
Explanation:
Which location would u most likely NOT expect an earth quake
Location 1
Location 2
Location 3
Location 4
Answer:
Location 4
Explanation:
The closest you are to a tectonic plate, the most likely is to expect an earthquake. Note how Location 3 is over California. So, location 4 is away from the tectonic plates.