Answer:
There are four major variants of speciation: allopatric, peripatric, parapatric, and sympatric. Speciation is how a new kind of plant or animal species is created. Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics.
compare and contrast the structure of prokaryotic and eukaryotic cells.
Answer:
Prokaryotic -Do not have a nucleusHave DNA arranged in a circular chromosomeDo not have membrane bound organellesSmaller in sizeOlderEukaryotic-Have a nucleus, vacuoles, mitochondria Have DNA arranged in a linear chromosomeHave membrane bound organellesLarger in sizeBoth- Contain: cell membrane, cytoplasm, ribosomes, DNAFunction is to make proteinshave certain parts that help them accomplish their function
. Human muscle cells compared to blood cells all contain the same number of
chromosomes with the same complement of genes. Yet, the hemoglobin protein
which helps to temporarily bond to oxygen is found in blood cells and not muscle
cells. Which of the following best explains this difference?
Help pls
Answer:
Correct answer to the question: human bone, muscle, and nerve ceils all contain the same number of chromosomes with the same complement of genes. what enables these cells to perform specialized activities
Answer: I think its B
Explanation:
List the four locations for the sensors that control breathing rate.
Answer:
Dorsal respiratory group – inside of the medulla.
Ventral respiratory group – inside of the medulla.
Pneumotaxic center – various nuclei of the pons.
Apneustic center – nucleus of the pons.
Explanation:
=)
Explain the difference between periods and groups and what each tells you about the atom
Answer:
Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.
which organism would be numerous in the ecosystem?
Grass
Rabbits
Snakes
Hawks
Answer:
I think it would be grass.
Explanation:
I am pretty sure it would be grass because there is much more grass on earth then hawks, snakes, and rabbits.
Answer:
I don't think grass count's as for what yr studying.. However, I think its the hawk. Bc if ur where to see who eats who...Bunny>is to>GrassAs for.. Snakes> is to.. Hawks!Explanation:
plz help asap! What is the best explanation of how the fluid mosaic model helps explain the selective permeability of cell membranes?
Cholesterol embedded in the phospholipid bilayer allows passage of certain molecules.
The phospholipids are flexible and can slide past one another, allowing small gaps that molecules can penetrate.
The phospholipid bilayer allows osmosis while preventing diffusion of H2O molecules.
The phospholipid bilayer provides the cell's protection, while embedded proteins allow passage of some molecules.
So what is catalyst?
Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
"chlorine acts as a catalyst promoting the breakdown of ozone"
a person or thing that precipitates an event.
"the governor's speech acted as a catalyst for debate"
Explanation:
hope its help
What are three ways that pedigrees are beneficial?
Answer:
The three ways that Pedigrees are beneficial are that they help track diseases, determine if the offspring of a person will have that disease and it is a easy to read chart that help track traits in a person (diseases, physical features and etc.)
Explanation:
I was in Biology last year! Hope this helps!
Predict: Why aren't all organisms made of just one cell?
Why do cells divide, instead of simply growing larger?
The living beings that are comprised of more than one sort of cell are known as Multicellular Organisms.
Why organisms are made up of cells?These organelles are liable for an assortment of cell capacities, for example, acquiring supplements, creating energy, and making proteins. Unicellular living beings are comprised of just a single cell that completes each of the capacities required by the organic entity, while multicellular creatures utilize various cells to work.
Cells divide because:
Cells need to separate for your body to develop and for body tissue, for example, skin to restore itself ceaselessly.
Find more information about Cells here:
brainly.com/question/3717876
Calculate the mass of the book on the moon.
On moon surface gravity (g) is 1.6 N/kg
Answer:
The Moon has a smaller mass than the Earth and so the pull of gravity by the moon on an object is smaller than on the earth. The moon has a smaller gravitational field strength. On the Moon, g = 1.6 N/kg.
Explanation:
if u like this answer plz mark as brainlist and follow me
relate diffusion and equilibruim
if scientists discovered a new single celled organism that has no membrane bound organelles free floating dna. and a cell well the organism will most likely be classified as which of the following?
a producer
a prokaryote
a eukaryote
a consumer
(ONLY ANSWER IF YOU KNOW)
The excerpt below was written by Henry Stimson in 1941:
The atomic bomb was more than a weapon of terrible destruction, it was a psychological weapon
What did Stimson mean by this statement?
A. US leaders had tricked the Japanese into thinking they were more powerful than they were
B. Skillful use of the atomic bomb could force opponents to make concessions.
C. The atomic bomb was an ineffective way to end war
D. The atomic bomb was not quite as dangerous as many people thought
Answer:
C
Explanation:
The atomic bomb was an ineffective way to end war
Give an example, from any biome, of how two types of organisms may interact with each other in the following ways:
A. plant/plant eater
B. predator/prey
who is the scientist who discovered that traits pass from parents to offspring and that alleles interact with dominant and recessive properties
Answer: Mendel
Explanation:
Answer:
Gregor Mendel
Explanation:
Which birds of the northern United States can probably best withstand extreme temperature changes?
A. Those that migrate to coastal regions in the fall
B. Those that migrate in the fall
C. Those that migrate in the spring
D. Those that remain in that region throughout the year
Answer:
D
Explanation:
i think that is the answer.
How many males are shown in this pedigree?
Answer: Your answer is six (6)
Explanation:
Help Me Please
Thanks
Answer:
different types or versions of a gene
Answer:
??
Explanation:
please answer if u know. dont answer if u dont. Corrrect answer gets branliest
When air particles are close together what is it called
Answer:
slavery
Explanation:
because i like bbc
Answer:
Compression
Explanation:
The air particles are being pushed together.
Which of the following statement is not true based on the diagram above?
B or D
dinesbfiensnfirke
How many parts can be distinguished in the cerebellum?
Answer:
three lobes
Explanation:
Explanation:
Based on the surface appearance, three lobes can be distinguished within the cerebellum: the anterior lobe (above the primary fissure), the posterior lobe (below the primary fissure), and the flocculonodular lobe (below the posterior fissure).MARK ME AS BRAINLISTIf you are a male, and have a sex- linked trait, which parent gave the trait to you? Mom or dad
Answer:most likely your mom
Explanation:
most sexlinked trait are on the x chromosome because it is bigger than the y. and because males only have one x chromosome, which is from the mom, that will determine the trait.
All animals have the same tolerance range.
True
False
Answer:
False
Explanation: Diffrent animals have different tolerance ranges
It is the amount of money that a seller sets for the item or product for sale?
Answer:
Expenses
Explanation:
7) What percentage of ppm of dissolved oxygen indicates good water quality?
a) 6.7
b) 8
c) 4.5
d) Below 4.5
Answer:
The answer is c. 4.5
Name 1 hazard that has no forecast and 1 that does. Make sure you identify which is which.
Answer:
As other natural hazards, landslides are difficult to predict, and their forecasts are uncertain. The uncertainty depends on the poor understanding of the phenomena that control the slope failures, and on the inherent complexity and chaotic nature of the landslides. One that has forcast is volcanic eruptions.
Explanation:
A cell only divides once during its lifetime.
Answer:
no. it will divide itself 50-70 times until it's right
4. Which of the following is true about a mutation? A.) it is always damaging to a person B.) it never harms the next generation D.)it may harm the next generation C.) it never passes down diseases
Answer:
D
Explanation:
Mutation can be harmful and it can have no effect.
Answer:
d
Explanation:
it is d because it just is so yw
Reproductive system when running
Female-
Male-
Own words 10 pts