Answer:
trophoblast
Explanation:
Which pair shows the number of cells present both before and after
meiosis II?
1 and 2
2 and 4
1 and 4
4 and 4
Two and 4 is a pair shows the number of cells present both before and after meiosis II.
What is meiosis?In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm).
Body cells in humans are diploid, meaning they have two sets of chromosomes (one from each parent). The egg and sperm that combine during fertilization must be haploid, or having only one set of chromosomes, in order to maintain this state.
Each diploid cell divides twice during meiosis to produce four haploid daughter cells, which are the gametes. Nearly every human cell contains 46 chromosomes, 23 of which come from one of our parents and 23 highly similar chromosomes from the other parent.
Therefore, Two and 4 is a pair shows the number of cells present both before and after meiosis II.
To learn more about meiosis, refer to the link:
https://brainly.com/question/10621150
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Why are iron meteorites the core of asteroids?
Answer:
They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Explanation:
Hope this helps luv
Which of the following best describes what carrying capacity is?
A
The quantity of marine life a limited water resource can sustain.
B
The maximum number of a population that an ecosystem can sustain.
C
The total amount of greenhouse gases a specific ecosystem can sustain.
D
The minimum number of predators a specific geographic area needs to sustain itself.
Answer:
A
Explanation:
here the answer will be A
Pls help !!!Genetically modified plants have the potential to deter pests while not
harming bees. How?
A. Plants would be able to control the pesticide levels in their flowers,
keeping them below lethal levels for bees.
B. Plants would effectively become inedible to aphids.
C. Plants would produce a natural pesticide that does not harm bees.
D. Plants would produce a pheromone aphids use to warn of predators.
PLEASE HELP ME I NEED THIS DONE BEFORE WEDNESDAY
BEST ANSWER GETS BRAINLIEST
Directions: Look at each picture below. Each circle represents an atom. If they are touching they are chemically combined. Each element is represented by a pattern. Write the number of atoms, molecules, elements and compounds for each example on the lines below. The first example has been done for you.
while heart rate increases and decreases depending upon activity level, on average a typical persons heart rate is about___ beats per minute
Answer:
The answer is actually A
Explanation:
I honestly dont even know
The_____hypothesis states that selection favored skin in populations under conditions of high uv radiation (environmental stressor) because those individuals were protected against the consequences of_____destruction and were more likely to have children who could reproduce. Unlike the hypothesis, the folate hypothesis involves as a result of natural selection.
Answer:
Folate
Dark
Folate
Explanation:
As per the Folate hypothesis of Vitamin D, the photosensitive vitamins are protected by the two clines of skin pigmentation. These clines of skin pigmentation maintain vitamin D level and folate which is essential for the preservation of the reproductive health
Alex is using a microwave to heat up his food The microwave is producing heat by
A rubbing
B. buming
C using electricity
D. all of these
Answer:
I think it's C
Explanation:
Hope this helps!
Can some help me out please
Answer:
Codominance
Example:
A red and white spotted rose is an example of codominance while a pink rose when crossed with a red and white rose is an example of incomplete dominance.
PLEASE HELP! Scientists performed studies on mussels and clams. They placed these different species in fresh water that had contaminants commonly found in agricultural runoff and human and animal waste. Within a few days, the mussels and clams had removed the majority of the contaminants. How do these findings relate to ecosystem services in natural environments?
A.
Introducing new species of mussels and clams will help reduce erosion and runoff into rivers.
B.
Increasing the biodiversity of mussels and clams in freshwater ecosystems will improve water quality.
C.
Growing mussels and clams in rivers will provide humans with a steady source of food.
D.
Using a single species of mussel or clam will remove greenhouse gasses from the atmosphere.
Answer:
The answer is B I belive, hope this helps
Answer:
B
Explanation:
Biodiversity basically means to increase the value or in this case, species of the mussels and clams so that they can improve water quality. Improving the water quality would be a service to the ecosystem. Therfore, I believe the answer is B.
100 POINTS..!!
what is ANTI nuclear?? NOT JUST nuclear BUT ANTI nuclear.
PUT 3 FACTS ABOUT ANTI nuclear ENERGY.
ILL GIVE BRIANLIEST.!
Antinuclear energy or movement, are the social movement opposed to the production of nuclear weapons and the generation of electricity by nuclear power plants.
¿Qué son los hongos?
Answer:
Los hongos son microorganismos eucariontes, tanto uni como pluricelulares-heterótrofos.
HELPPPPPPPP
The role an organism has in a community
A. habitat
B. food chain
C. adaptation
D. niche
Answer:
D
Explanation:
an organism lives in a habitat within a community. the role of an organism with a community is its niche
Answer:
The first person is right because, The role or job of an organism within a community is its niche.
Explanation:
Community's, also called biological community, in biology, an interacting group of various species in a common location. For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.Have A Great Day
Love, princessmiaguzman :)
True or False: Purine is connected to pyrimidine using oxygen bonds.
Answer:
False
Explanation:
In DNA double helix molecule, there are four types of nitrogenous bases: adenine, guanine, cytosine and thymine. Purines (i.e., adenine, guanine) and pyrimidines (i.e., cytosine and thymine) hold DNA strands together via hydrogen bonds. In base pairing, guanine always pairs with cytosine through 3 hydrogen bonds, while adenine always pairs with thymine by 2 hydrogen bonds. Hydrogen bonds are a type of dipole–dipole interaction where a hydrogen atom is covalently bonded to a very electronegative atom (e.g., Nitrogen or Oxygen).
An electrocardiogram (ECG) provides information about: Group of answer choices the pressure of blood in the heart chambers the rhythm of heart contractions the speed of blood flow through the blood vessels the amount of oxygen in the blood as it leaves the heart
Answer:
the rhythm of heart contractions.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Generally, the cardiac cycle occurs in two (2) stages;
1. Diastole : in this stage, the ventricles is relaxed and would be filled with blood.
2. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.
An electrocardiogram (ECG) provides information about the rhythm of heart contractions.
Additionally, the right atrioventricular valve (AV) also referred to as the tricuspid valve is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.
.They are usually found in air * True False
Answer:
true
Explanation:
I hope it helps
pa brainliest po
Fire is an example of a living thing?
Answer:
Fire Is A Non-Living Thing.
Explanation:
People sometimes think fire is living because it consumes and uses energy, requires oxygen, and moves through the environment. Fire is actually non-living. The reason fire is non-living is because it does not have the eight characteristics of life. Also, fire is not made of cells.
which two gas giants are most similar based on size?
subject: astronomy
Please I have so much more to do.
The correct answer is D. Skeletal system.
Explanation
The parathyroid glands are glands of the human endocrine system that are located behind the thyroid glands in the neck. The main function of the parathyroid glands is to control the amount of calcium in the body (mainly bones and blood). According to the above, the parathyroid glands produce essential hormones for the proper function of the bone system because it controls the calcium that is used to strengthen the bones. These at the same time serve as the storage system to ensure that the body always has a vast source of calcium. So the correct answer is the D. Skeletal system.
What are white cells?
Answer: White blood cells are components of blood that help to fight infection, and are a part of the immune system. They are also known as leukocytes. There are not as many white blood cells as there are red blood cells.
Explanation: Hope this helps!
What is the ribosome's substrate? _______ and _______
Answer:
Explanation:
64 and 15 and they add 43 and 25
Please help I’ll mark you as brainliest if correct!
Answer:
C It belongs to the domain Eukarya
Explanation:
The cell has a nucleus and other membrane-bound organelles, unlike a prokaryote (bacteria and archea) would. Prokaryotes lack a nucleus and other membrane-bound organelles.
Prokaryotic cell is in the image
You had assignment that is over due but you need extra time what is a good excuse to tell your teacher why you need extra time work on the assignment
i suggest saying you've been ill, or have had personal/family issues going on. if you say the second option, it is a bit invasive for the teacher to ask what so they shouldn't, but have something ready just in case. both of these have gotten me extensions before. :)
The spectrum of a distant star contains sodium lines that are offset from their normal position, as shown. What is the most likely explanation?
A. The star is relatively hot.
B. The star is relatively cool.
C. The star is moving rapidly toward us.
D. The star is moving rapidly away from us.
Answer:
C.The star is moving rapidly toward us
Por qué el nitrógeno es un recurso limitado?
Two models of evolution
Refer to the food web at the top of the page. Which terms describe the mountain lion?
Select all that apply.
A
producer
B
primary consumer
C
secondary consumer
D
tertiary consumer
1 Points
Answer:
B Primary consumer
Explanation:
what is the best example of tropism in plants
Answer:
Explanation:
Some plants (flowers or leaves or both) follow the sun as it arcs across the sky each day; sunflowers (Figure below) are a well-known example. This behavior is misleadingly called heliotropism. Helio- does refer to the sun, but a tropism implies growth in a certain direction, and heliotropism does not involve growth.
One example is hydrotropism.
If you pour water into soil, a plant's roots will grow towards the water.
The circulatory aids the digestive system by....
A. Moving oxygen around the body
B. Taking nutrients to cells in different parts of the body
C. Creating electrical currents used to move messages around the body
D. Providing support and structure to the body
(I’ll give points + brainalist for the correct answer)
Answer:
Jacksom you wanna zo.o.m?
~Janiyha
What does a shaded square mean on a pedigree
Answer:
Explanation:
A completely shaded circle or square indicates that a person expresses the trait. A circle or square that is not shaded indicates that a person neither expresses the trait nor is a carrier of the trait.
hope this helps
have a good day :)