Answer:
All animals need food to survive.
Explanation:
The highest frequency sound is detected by Group of answer choices unique hair cells located anywhere along the basilar membrane. hair cells located near the middle of the basilar membrane. hair cells located near the oval window end of the basilar membrane. hair cells located near the helicotrema end of the basilar membrane. the frequency at which the stereocilia vibrate.
Answer:
Option A, unique hair cells located anywhere along the basilar membrane
Explanation:
When ever a high frequency sound wave is perceived by the Organ of Corti, it magnifies. In the magnification process of Organ of Corti, basilar membrane and along with Organ of Corti moves up and down. On the top of Organ of Corti, the hair cells protrudes. With the movement of basilar and tectorial membranes up and down, the hair cells also move laterally.
Hence, option A is correct
Tropical rain forests and coral reefs are examples of ecosystem with low biodiversity. True or False?
Tropical rain forests and coral reefs are examples of ecosystem with low
biodiversity is actually False
Tropical rain forest contains thousands of species of both plants
and animals thereby making it to be the most diverse ecosystem in the
world.
It is characterized by rainfall and sunshine and less human activity which is
why it has a lot of organisms present.
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Matching evolutionary terms
Complete the sentences with the correct terms.
selection
Environmental conditions often favor one__
over another.
Answer:
phenotype or trait
Explanation: if it is really cold a mouse with thicker fur (phenotype) will do better
Environmental conditions often favor one selection over another.
In the context of evolution, selection refers to the process by which certain traits or characteristics become more or less common in a population over time. This process occurs due to environmental conditions that favor certain individuals with advantageous traits, leading to their increased survival and reproduction.
For example, consider a population of birds living in a forest with two distinct color morphs: light and dark. If the forest becomes darker due to increased tree cover, the dark-colored birds might be better camouflaged and have a higher chance of surviving and reproducing. Over time, the proportion of dark-colored birds in the population would increase, as they have a selective advantage in the new environmental conditions.
Similarly, if the forest becomes lighter, the light-colored birds may become more successful in avoiding predation and finding mates. In this case, the environmental conditions would favor the light-colored birds, leading to an increase in their frequency within the population.
Therefore, the term "selection" refers to the process by which environmental conditions favor certain individuals or traits, resulting in changes in the frequency of those traits within a population over time.
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In cats, coat color is determined by allelic variation at a single autosomal locus, with black fur dominant to white fur. Two heterozygous black cats are mated. What would be the probability of the following combinations of offspring in a litter of eight kittens?
a) All with black fur.
b) Five with black fur and three with white fur.
c) At least three of the kittens having white fur.
d) The firstborn kitten with white fur, and among the remaining seven kittens, three with black fur and four with white fur.
Answer:
Explanation:
Two Heterozygous Black cats mated
let 'B' be for the Black allele and 'b' for the white allele
hence the mating will be : Bb * Bb = BB , Bb , Bb, bb, BB, Bb, Bb, bb
a) Determine the probability that all kittens out of 8 kittens are black
That means the kittens will have 'BB' or 'Bb' alleles
probability of Black fur = 3/4
b) probability of 5 black and 3 white
probability of black = 3/4
probability of white = 1/4
hence probability of 5 black = 3/4 * 5 =
Why would water move faster through one kind of tree compared to another, and what might that tell us about their life cycle and susceptibility to environmental changes?
Answer:
Due to the presence of larger vessels.
Explanation:
Due to the presence of larger vessels of hardwoods in the tree, water move faster in that tree as compared to other type of plants. in smaller plants, small vessels are present which able them to move less amount of water as compared to large trees which have large vessels. It tells us that the tree adopted the environmental changes so that's why to overcome the change, they use more water.
When celery sits in it's grocery store packaging for days, it might wilt, even if it is in the refrigerator. To restore it to it's former crispy condition you should
What’s the correct mRNA sequence from the DNA strand: TAC GCC CGA ATC
A. ATG CCG GCU TAG
B. AUG GCC GCU UAG
C. AUG CGG GCU UAG
D. AUG CCG GCT UAG
E. ATG CCG CGT TAG
Answer:
C. AUG CGG GCU UAG
Explanation:
This works the same as a normal DNA strand, A=T, C=G, except for one difference. Thymine is not an mRNA base, instead it is Uracil. Therefore, if there is an A, you would typically replace it with a T, but for mRNA you will replace it with a U. Keep in mind you will still replace the T in the DNA strand with an A in the mRNA strand :)
What's older, a fossil you find when you first start
digging, or a fossil you find deeper in the ground after a
lot of digging?
Answer:
a fossil that is deeper down is older
Explanation:
Answer:
the fossil you find later would be older
why is important the cell have a control sytem to regulate the timing of cell division?
Answer: It is important that cells have a "control system" because without it cells would either divide too fast or cause tumors to grow (cancer), or divide too slow and not be able to perform their cellular functions which is why the cells are controlled.
how much acid is in the world
Answer:
lots
its on cafeteria food at ur school
Explanation:
Could you be more precise?
There are over 100 types of acid.
These are a few for example:
H2SO3Sulfurous Acid
H2SO4Sulfuric Acid
H2SO2Hyposulfurous Acid
H2SO5Persulfuric Acid
H2S2O7Pyrosulfuric Acid
H2S2O5Disulfurous Acid
H2S2O4Dithionous Acid
H2S4O6Tetrathionic Acid
H2S2O2Thiosulfurous AcidH2SHydrosulfuric Acid
H2S2O8Peroxydisulfuric AcidHClO4Perchloric Acid
An environmental scientists is least likely to be involved with which of the following?
Studying the relationship between soil fungi and prairie plant species in areas
they are being restores.
Helping a farmer determine the best ways to rotate their crops.
Determining the best way to generate clean energy in Maine.
Studying how stars form.
Answer:
Probably determining the best way to generate clean energy in Maine :)
Design five activity to teach on the
physical characteristic of metals
Answer:
Shiny, malleable, Opaque, when melted at it's melted point it's able to be shaped, Hard.
Explanation:
Identify structures found in fungi. Check all that
apply.
•produce spores
•contain pseudopods
•contain hyphae
•contain a fruiting body.
Answer:
A,C,D
Explanation:
Produce spores, Contain hyphae, Contain a fruiting body
Fungi produces spores containing hyphae and a fruiting body. So, the correct options are A, C and D.
What is Fungi?A fungus is defined as a member of a group of eukaryotic organisms which includes microorganisms such as yeast and mold, as well as the more familiar mushrooms.
Fungi are described as eukaryotic, non-vascular, non-motile and heterotrophic organisms which can be unicellular or filamentous. They reproduce by means of spores which exhibit the phenomenon of alternation of generations. Fungi lack chlorophyll and therefore cannot photosynthesize.
Fungi are classified in four divisions such as the Chytridiomycota (chytrids), Zygomycota (bread molds), Ascomycota (yeasts and sac fungi), and the Basidiomycota (club fungi).
Thus, Fungi produces spores containing hyphae and a fruiting body. So, the correct options are A, C and D.
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Is soap a base or acid and why?
Answer:
Soap is a basic
Explanation:
Soap is a combination of a weak acid (fatty acids) and a strong base (lye), which results in what is known as “alkalai salt,” or a salt that is basic on the pH scale.
Answer:
soap are basic in nature
Explanation:
because they are the mixture of weak acid and strong bases ....
Describe how adaptations result in fitness?
Why do individuals with low
levels of fitness die?
Answer:
adaptations are changes in genetic material which develop new strong characteristics and increase fitness of an individual. any change in genetic material leads to development of a new phenotypic character. for example immunity of an organism modified and better respond to any disease as compared to an individual with this unadapted charachter (immunity). according to Darwin's concept of survival of the fittest only those organisms which have modified/adapted characteristics survive fit while the others with low fitness will lost.
Explanation:
All three rock types weather when they are uplifted to the Earth’s surface, forming sediments that cover the Earth’s surface.
what happens if antibodies attach to antigens on the red blood cells?
Explanation:
when an anti-A antibodies contact A antigens on AB erythrocytes, they will cause agglutination. similar, when anti-B antibodies contact B antigens on AB erythrocytes, they will cause agglutination.
10) Adaptations are traits an organism may develop over a few months that
increase its chances for survival. *
O True
O False
Flock X
Flock Y
Flock z
Total Pieces of Food Eaten
57
153
90
Food Percentage*
%
1%
%
Simulated Number of Birds in Flock for 2nd Generation **
* Divide each flock's total pieces of food by 300, the total number of pieces of food eaten.
** Multiply the food percentage for each flock by the total number of birds (30).
DONE
Answer:
Total Pieces Food Percentage Simulated Number of Birds
of Food Eaten in Flock for 2nd Generation
Flock X 57 19% 6
Flock Y 153 51% 15
Flock Z 90 30% 9
Calculations.
Food percentage:
Flock X = 57/300 * 100% = 19%
Flock Y = 153/300 * 100% = 51%
Flock Z = 90/300 * 100% = 30%
Simulated Number of Birds in Flock for 2nd Generation
Flock X = 19% * 30 = 6
Flock Y = 51% * 30 = 15
Flock Z = 30% * 30 = 9
Answer:
look
Explanation:
1
What are the four types of living things found in an ecosystem?
producers, consumers, second consumers, tertiary consumers
producers, scavengers, consumers, decomposers
producers, scavengerrs, primary consumers, tertiary consumers
producers, primary, secondary, tertiary
Answer:
C. producers, scavengers, primary consumers, tertiary consumers
Explanation:
Someone said B was wrong so this would be my second answer.
Identify Earth's position in the solar system relative to the sun. A. Earth is just after B.Neptune. Earth comes right before Mercury. C. Earth is after Venus but before Mars. D. Earth comes before Mars and is after Jupiter. please help
Answer:
C. Earth is after Venus but before Mars
:D
Answer:
C
Explanation:
When listing the levels of organization in organisms from least complex to most complex, which level is just below
organs in complexity?
O cell
O organism
organ system
0 tissue
Mark this and retum
Save and Exit
Next
Submit
Answer:
tissue
Explanation:
The level of organisation of life in biology refers to an hierarchical classification of how organisms are formed beginning from the simplest unit of life, which is a CELL. The cell is the basic unit of life and it represents the least complex level of organization.
However, a collection of cells with similar functions give rise to a TISSUE. Tissues give rise to ORGANS. Organs give rise to ORGAN SYSTEMS. Organ system gives rise to ORGANISM. The order of this hierarchy from the least to most complex is as follows:
Cell → Tissue → Organ → Organ system → Organism
According to the question, the level that is just below organs in complexity is TISSUE.
What is the difference between an instinct and a learned behavior?
Answer:
See below.
Explanation:
The major difference between an instinct and a learned behavior is how it was picked up. An instinct is something that you're born knowing (think of being programmed to do certain actions or display specific behaviors.) An example of this would be how homing pigeons are "wired" and remember their home when they migrate. A learned behavior, on the other hand, is something you have to learn as you don't have a certain behavior, skill, etc. This can be a language, how to walk/talk, personality, likes and dislikes, learning how to read, write, or learn information. So right now, learning about this is displaying a learned behavior (being able to process information and read). :)
Which of the following are possible causes of global warming? Check all that apply.
human activity
differences in emitted energy from Earth
natural fluctuations
changes in distance to the Sun
poor measurement
Answer:
the right answer is A. human activity, and C. natural fluctuations
Explanation: on edge please make brainliest have a great day
The possible causes of global warming are human activity and natural fluctuation
Global warming is simply known as an increase of the Earth's average surface temperature as a result of build-up of greenhouse gases in the atmosphere. Human activities such as gas flaring, push burning and climate change such as high temperature, high pressure, volcanic eruptions etc. influences global warmingConclusively, we can say that the possible causes of global warming are human activity and natural fluctuation
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In Drosophila, the dominant allele Cy (Curly) results in curly wings. The cross Cy/ x Cy/ (where represents the wildtype allele of Cy) results in a ratio of 2 curly : 1 wildtype F1 progeny. The cross between the curly F1 progeny also gives a ratio of 2 curly : 1 wildtype F2 progeny. How can this result best be explained
Answer:
d
Explanation:
Using a Punnet square to represent the given information
The cross between Cy + and Cy + can be computed as:
Cy +
Cy Cy Cy Cy +
+ Cy + ++
From what we see above, it is above that the ratio of Curly to wildtype is in the ratio of 2:1
This illustrates that the genotype Cy Cy is lethal. This is explained when two curly F1 are crossed which resulted in the same ratio.
Hence, the inheritance of Cy/Cy is fatal.
quick!!
Which option lists the layers of the rainforest in the correct order from top to bottom?
emergent layer, canopy, forest floor, shrub layer
emergent layer, canopy, understory, forest floor
forest floor, emergent layer, canopy, understory
forest floor, understory, canopy, emergent layer
The layers of the rainforest from top to bottom are the emergent layer, canopy, understory, and forest floor. Therefore, option B is correct.
What is a rainforest?A rainforest is characterized by towering, largely evergreen trees and heavy rainfall. Some rainforests have existed in their current form for at least 70 million years, making them the oldest existing ecosystems on Earth.
More than half of the terrestrial animal species on our planet live in tropical rainforests, which make up less than 3% of the world's surface.
The emergent, canopy, understory, shrub layer, and forest floor are the minimum number of layers that make up the primary tropical rainforest. Unique plant and animal species that interact with the ecosystem around them can be found in each tier. Therefore, option B is correct.
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Why do plants conduct photosynthesis?
Answer:
Plants condut photosynthesis because they needs nutrients as well as foods so by this process they can easily find it from environment
which
The mRNA molecule consists of 3 nucleotide segments called________which correlate to specific ________
Answer:
codons
Explanation:
What type of heredity is shown in the pedigree?
A
sex linked dominant
B
sex linkęd recessive
С
autosomal dominant
D
autosomal recessive
The type of heredity is shown in the pedigree is autosomal recessive. Hence option D is correct.
What is heredity?Heredity is defined as the whole of biological mechanisms via which certain traits are passed down from one generation to the next. The system by which traits, similarities, and differences are passed down from one generation to the next is called heredity. A guiding biological principle, heredity explains why children resemble but differ from their parents.
Autosomal recessive is defined as when one variant is found on both alleles of a particular gene, a genetic condition is present. The disease must be autosomal recessive if any affected founding daughter has two unaffected parents. Both parents must possess the recessive gene in order for the affected person to inherit it from them.
Thus, the type of heredity is shown in the pedigree is autosomal recessive. Hence option D is correct.
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Explain why some traits cannot be easily changed even though they are heritable.
Answer:
Traits heritable only if the similarity arises from shared genotypes
Explanation:
Traits are familial if members of the same family share them, for whatever reason. Traits are heritable only if the similarity arises from shared genotypes. ... Thus, heritability is demonstrated even if the actual genes causing the variation are not known.