Answer:
true
Explanation:
Definition: Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge.
Answer:
true because it means the formation of a new plant or animal species
A land breeze occurs during the ________ because the air above the land is a _________ pressure
Define Trait please
Answer:
a distinguishing quality or characteristic, typically one belonging to a person.
Explanation:
A trait is a distinguishing feature of a person's character. It can be physical or behavioral. An example of a behavioral trait is the tendency politicians have to exaggerate. An example of a physical trait is having blond hair and blue eyes.
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What are some presumptive
tests for blood?
Answer:
Luminol, leuchomalachite green, phenolphthalein, Hemastix, Hemident, and Bluestar are all used as presumptive tests for blood. In this study, the tests were subjected to dilute blood (from 1:10,000 to 1:10,000,000), many common household substance, and chemicals.
Explanation:
- Eijiro <3
Welcome to brainly!
PLEASE HELP!!!..........
Answer:
willows, lynx
Explanation:
what are the different units of the geological time scale ?
eons,eras,periods,epochs,and ages
Explanation:
it subdivides all time into names of abstract time in decendung order of duration.
write a function of optic nerve?
PLEASE HELP! 20 POINTS!! Explain how genes relate to the presence of dominant and recessive traits
Answer:
Fires often remove alien plants that compete with native species for nutrients and space, and remove undergrowth, which allows sunlight to reach the forest floor, thereby supporting the growth of native species. ... Overall, fire is a catalyst for promoting biological diversity and healthy ecosystems.
Explanation:
guys why is no one answering my question ?
if u want my biology question tell me plzz
Answer:
I'll take it!
Explanation:
Answer:
He/She does not know the proper or correct answer and therefore does not make any attempt to answer. Or, he/she is busy. He/She knows the answer but perhaps has more pressing work or better priorities, and does not have the time to make the efforts to answer. Possibly he/she is unwilling.
Explanation:
ídk maybe its hard? ig...
If the DNA sequence is GCTCAATTCGACCTA, the complementary RNA
sequence created during transcription is
Answer:
CGAGTTAAGCTGGAT
Explanation:
thymine pairs with adenine and guanine pairs with cytosine
T-A
G-C
Guys please help me with this assignment.
2) What your intended Career choice and your purpose for choosing that career choice?
Answer:
I want to be a fire fighter.
Explanation:
My career choice is to be a fire fighter. I want to be a fire fighter because I love to help people and being on a team. I am a very brave person so I think I would be good for the job. I am also a team player so I would work well with my fire crew.
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I NEED HELP ASAP!!!
Answer:
pretty sure it's A
Explanation:
Haven't taken the assessment personally but I do think that it's bringing emphasis to the extinction rate
Sophie visited Carlsbad Caverns with her family during her summer vacation, and she was amazed at the cave’s formations. She learned that the cave was formed from minerals.
Rearrange the phrases describing one of the ways minerals form into the correct order. Place the earliest stage of mineral formation at the top. Place the final stage at the bottom. (Write 1 2 3 or 4 in order)
1. a solution forms from a liquid and dissolved substances
2. a warm solution flows through a crack in the rocks there
3. elements and compounds leave as the solution cools
4. elements and compounds crystallize
BASICALLY SAY WHICH STEPS GO FIRST IN MINERAL FORMATIONS! PLESSS
Answer:
The ways through which the minerals form include the following order:
2. a warm solution flows through a crack in the rocks there
1. a solution forms from a liquid and dissolved substances
3. elements and compounds leave as the solution cools
4. elements and compounds crystallize
Explanation:
From the explanations above, it could be seen that a warm solution (most probably water) flows through the cracks in the rocks leading to dissolution of substances to form liquid. When the liquid cools, the elements leaves and crystallize as compounds.
what is biology?
a.science b.social
Answer A Science
Explanation: Biology is one of the three main sciences that students study. It is the science of life.
Consider the following scenario: A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two groups of birds in the population that differ in leg length and diet. Long-legged birds eat fish, while short-legged birds eat insects. The drought has little effect on insect populations. What is the main selective pressure in this scenario?
leg length
insect population
drought
fish population
fish population
cuz i know :0
The main selective pressure in the given scenario will be on the fish population. Thus, the correct option will be D.
What is Selective pressure?The selective pressure can be defined as an evolutionary force that causes a particular phenotype to be more favorable in certain environmental conditions than other phenotypes. Selective pressures are the considered forces which can drive the evolution through the process of natural selection. Some phenotypes are more favorable than other phenotypes, depending on the external conditions.
Selective pressures can be detrimental or beneficial to certain phenotypes present within a population. The four main types of selection pressures are the biological factors, such as the predation and disease, the availability of resources, the climatic conditions, and the competition between different species.
Therefore, the correct option will be D.
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U-C-A-U-C-G-U-C-G-A-A-C-U-C. is it an RNA or DNA strand?
Answer:
RNA
Explanation:
because it has uracil
Plants, monera, and animals are all A.Have cell walls B. In the same kingdom C. In different kingdoms D. Have chloroplast
How does change in each independent variable affect the dependent variable?
Explanation:
although independent variables can stand alone dependent variables rely on the independent variables therefore when you change the independent variables the dependent variables can no longer depend on the independent variables.
When cells divide during meiosis, homologous chromosomes separate
independently of each other and are randomly distributed to the gametes.
How does this process lead to genetic variability
During meiosis, gametes receive different combinations of genes, and the offspring resulting from fertilization has a unique set of chromosomes. After fecundation, independent assortment generates unique gene combinations in the new generation.
The independent assortment of homologous chromosomes leads to gamete containing different sets of genes.
During metaphase I of the meiotic cell division, homologous chromosomes line up at the equator plate of the cell in a random mode.
The consequence of this independent assortment is that gametes receive different gene combinations, which increase genetic variation in offspring and may eventually confer an evolutionary advantage.
The independent assortment of homologous chromosomes and the process of recombination by which non-sister chromatids interchange genetic material are well known to increase genetic variation in the resulting gametic (meiotic) cells.
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Which mutation is harmful to the organism?
Answer:Insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution in which only a single amino acid is altered.
Explanation:
Write the lyrics of O Ramji bada dukh dina
Most plant growth takes place in the ____________________ of the root
Answer: Primary Growth
Most primary growth occurs at the apices, or tips, of stems and roots.
Explanation:
What is one significant drawback to transferring electricity produced by solar energy from states where sunshine is abundant to states where it is not? Electricity made from solar energy is different from fossil fuels, so it needs new types of power lines. Electricity made from solar energy is different from fossil fuels, so it needs new types of power lines. The transfer could only occur during the day because solar energy cannot be stored. The transfer could only occur during the day because solar energy cannot be stored. Electricity produced from solar energy farms must be used locally and cannot be transferred at all. Electricity produced from solar energy farms must be used locally and cannot be transferred at all. The cost to transfer electricity produced by solar energy over great distances can be high.
Answer:
The transfer could only occur during the day because solar energy cannot be stored.
Explanation:
The transfer of electricity produced from solar energy only occur during the day because solar energy cannot be stored at huge level. At homes, we can easily store the electricity made from solar energy with the help of batteries but for providing electricity to a state where thousands of houses are present, very big batteries are needed to store it which can't be made due to very high cost so that's why the solar energy can not be stored.
How do both sodium and potassium ions travel
Answer:
Sodium ions pass through channels in the hydrophobic barrier that have been formed by membrane proteins. The crossing membrane is called facilitated diffusion because it is facilitated by the channel
Potassium ions have to be transocated through specific membrane transport proteins. It is then transported into the cell through potassium pumps with energy being consumed int the form of ATP.
The sodium-potassium pump goes through cycles of shape changes to help maintain a negative membrane potential. In each cycle, three sodium ions exit the cell, while two potassium ions enter the cell. These ions travel against the concentration gradient, so this process requires ATP.
Explanation:
Answer:
The sodium potassium pump goes through cycles of shape changes . In this way they help maintain a negative membrane potential. In each cycle, two potassium ions enter the cell while three sodium ions exit the cell . These ions travel against the concentration gradient. And this process requires ATP.
......................
why is active transport necessary for the absorption of amino acids in the blood stream
Answer:
Active transport is a mechanism that requires molecules to move against a gradient of concentration. The procedure needs energy.
The glucose molecules in the gut may be higher than in the intestinal cells and blood – e.g. after a sugar meal.
Explanation:
Active transportation is a process necessary for molecules to travel against gradient concentration. It takes energy to do this.
Ions are transferred to the root hair for the use of mineral ions in plants, which have an increased concentration compared to diluted soil solutions. Active transport occurs to enable the plant to take in the soil around the plant the nutrients it requires.
Glucose molecules in animals must be transported into the blood through the gut wall. In the intestine, glucose molecules may be more concentrated than in the intestinal cells and blood - following a sugar meal, for example. It will then spread from high intestinal concentrations to lower blood levels. This requires no energy.
However, glucose levels in the intestines may be lower sometimes. In that instance, active transport is involved in the transportation of glucose. This procedure requires breath-generated energy.
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If a galaxy is 1 million light years away, the image that we take today is a picture of the galaxy when it was _______ younger.
ANSWERS;
1 million years
1 day
1 year
100 years
Answer: A) 1 million years younger, if it's 1 million light years away, that's means the image taken is l million years before the current amount of years it is away now. think of it as taking a picture of a moving car, if said car is 10 miles away and you take a picture, after the picture is taken it's no longer that far away.
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Review Paragraph 5. What factor would not affect the island lizard gene pool once they
reached the mainland?
Here's link to the answer:
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This is one of the phases of Mitosis.
P 7
Vuv
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What is happening to the chromosomes?
Answer:
Anaphase
Explanation:
The chromosomes are separates in preparation for cell division. This happens during anaphase.
how does inorganic compounds affect us as humans?
Answer:
Oxygen is required by all cells for cellular metabolism and circulating blood must be well oxygenated for maintenance of life. Carbon dioxide is a waste product of cells and must be eliminated or a serious change in pH can occur, known as acidosis.
Explanation: brainlist?
+
B
!!
= = = =
3. If the characteristic is absent in the animal, place a "." in the correct column, indicating that the animal
does not have that particular characteristic.
Table of Derived Characters:
Characteristic
Organism
Jaws
Limbs
Hair
Lungs
Opposable
thumb
Upright,
erect
posture
+
+
Lamprey
Trout
Caecilian
Turtle
Cat
Gorilla
Human
Total
Answer:
human is all the would becouse humanity important
Place the rock layers in order from youngest to oldest. youngest B G D H oldest
Answer:
Please include a image so we could help
Explanation:
Sorry would love to help
Answer:
Could you add an image?
Explanation:
I would love to help you out on this one!!