PLZZZ HELP T^T (BRAINLIEST) to whoever can help

PLZZZ HELP T^T (BRAINLIEST) To Whoever Can Help

Answers

Answer 1

Answer:

For the first one, I think new species are created through "Natural Selection"


Related Questions

Upon completing the entire quiz, your score will be automatica
1
What is an advantage of automated greenhouse systems
a. They greatly reduce labor costs.
b. They are useful in small greenhouse operations.
c. They lack sophistication.
d. There is no evidence of any advantages.
Select Answer

Answers

Answer:

They greatly reduce labor costs.

Plant stems can be ______, ______, thick,______, or _________.

Answers

Answer:

Underground stem, Aerial stem, and subaerial stem.

Explanation:

Plant stems can be Underground stem, Aerial stem, and subaerial stem due to its presence and strength of the stem. Underground stem are thick stems that run below the ground surface. e.g rhizome. Aerial stems are thin stems that can not stand erect. Examples include watermelon and strawberry etc. Subaerial stems are very thin stems that do not rise up but grow just above the ground. for example, water plantain, flowering rush etc.

What is the ribosome's substrate? _______ and _______

Answers

Answer:

Explanation:

64 and 15 and they add 43 and 25


Fire is an example of a living thing?

Answers

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.

What does a shaded square mean on a pedigree

Answers

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 :)

True or False: Purine is connected to pyrimidine using oxygen bonds.​

Answers

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).

while heart rate increases and decreases depending upon activity level, on average a typical persons heart rate is about___ beats per minute

Answers

Answer:

The answer is actually A

Explanation:

I honestly dont even know

Por qué el nitrógeno es un recurso limitado?

Answers

Aunque el nitrógeno es increíblemente abundante en el aire que respiramos, a menudo es un nutriente limitante para el crecimiento de organismos vivos. Esto se debe a que la forma particular de nitrógeno que se encuentra en el aire, el gas nitrógeno, no puede ser asimilada por la mayoría de los organismos.

.They are usually found in air * True False

Answers

Answer:

true

Explanation:

I hope it helps

pa brainliest po

What does the “they” stand for?

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)

Answers

I believe it’s B ……..

Answer:

Jacksom you wanna zo.o.m?

~Janiyha

Why are iron meteorites the core of asteroids?

Answers

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

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

Answers

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. :)

Can some help me out please

Answers

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.

what is the best example of tropism in plants

Answers

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_____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.

Answers

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

Which type of base is shown? How can you tell?

Answers

Answer:

The correct answer is - purine nitrogenous base (adenine).

Explanation:

The base given in the diagram in the image has two rings attach with the pentose sugar which is attached to the phosphate, which means it is the diagram of nucleotide. In this nucleotide base can be either purine or pyrimidine.

Pyrimidines have a single ring structure, whereas purines have 2 ring structures. Adenine and guanine are purines with two ring structures whereas cytosine and thymine are pyrimidines as they have one ring structure. Adenine contains an amine group on C6, and a double bond between N1 and C6.

What are white cells?

Answers

white cells are called leukocytes and these cells are apart of the immune system they protect the body against infections

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!

100 POINTS..!!

what is ANTI nuclear?? NOT JUST nuclear BUT ANTI nuclear.

PUT 3 FACTS ABOUT ANTI nuclear ENERGY.

ILL GIVE BRIANLIEST.!

Answers

Antinuclear energy or movement, are the social movement opposed to the production of nuclear weapons and the generation of electricity by nuclear power plants.

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

Answers

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.

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.

Answers

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.    

HELPPPPPPPP
The role an organism has in a community

A. habitat

B. food chain

C. adaptation

D. niche

Answers

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 :)

¿Qué son los hongos?

Answers

Answer:

Los hongos son microorganismos eucariontes, tanto uni como pluricelulares-heterótrofos.

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.

Answers

Answer:

A

Explanation:

here the answer will be A



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.

Answers

B:
atom 2
molecule 0
elements 2
compounds 0
C:
Atom : 1
Molecule : 1
Element : 1
Compound : 1


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

Answers

Answer:

I think it's C

Explanation:

Hope this helps!

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

Answers

Answer:

B  Primary consumer

Explanation:

Please help I’ll mark you as brainliest if correct!

Answers

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

which two gas giants are most similar based on size?

subject: astronomy

Answers

Saturn and Jupiter have attracted as much similar gas as they could, to form two biggest gas giants in our solar system. But they have done things in different ways and caused differences. The first difference is the planets' densities. Saturn is significantly less dense than Jupiter

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

Answers

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

#SPJ6

Two models of evolution

Answers

What are the two models of evolution?
Gradualism and punctuated equilibrium are two ways in which the evolution of a species can occur.
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