Answer:
last one
Explanation:
Water is pH 7
its neutral.
Using the words "selection pressure" and "fitness", explain how natural selection causes populations to change over time.
Answer:
Environment and competition is the leading cause of evolution. It's an instinct to want to live, but trying to survive is difficult when other animals have the same goal. An ecosystem is a cycle, but every generation of this ecosystem slightly changes, and so do the animals. Every bug that has fitness can start overpopulating the ecosystem, leading to a surge of resources for what preys on the bug. Now bird's population goes up, so do other animal populations. Or the bug becomes an invasive species, and birds are being hunted too often to decrease the population.
In a different scenario, bugs are evolving because of the selection pressure that the environment is giving them. The birds have become better over the generation, and now have a more suited beak to catch the bug off the ground. The bug population maybe be decreasing, but the ones who live through the crisis are populating with bugs that certain gene that helped them out. But it's not over, the bug population isn't declining but it wasn't as big as it was before. The bird will find more ways to find and capture the bugs. But then bugs will keep surviving through the selection pressure and become much harder to find since they figured out camouflage. The bug that was neon yellow was dying since they were easy to see. Now they can range from green to black to hide in the environment. Now the birds are facing the selection pressure, it's a cycle.
(look, im not good at gammar, so you should get this looked at before entering it. I put it through gammarly if that helps.
4. What is an enzyme, and what is its role in a reaction?
Answer:
an enzyme is a protein which is used to break down food
Explanation:
Answer: An enzyme breaks down food
Explanation:
[tex]what \: is \: protein \: {?} [/tex]
Proteins are basic nutrients comprising biomolecules, which are made up of long chains of Amino acids.
They have various functions in our body :
they make up our hair, nails, bones etc they helps in recovery of damaged tissues (therefore known as body - building food)the structure and functions of protein depends on base sequence of nucleotides in the DNA coding for that specific protein.[tex] \large\mathfrak{let \: me \: know \: if \: it \: helps ....}[/tex]
Compare and contrast the concentration of the toxin in
the seaweed, shrimp, small fish and shark
Answer:
?????????
Explanation:
What nitrogen base pairs with adenine?
A. Guanine
B. Thymine
C. Cytosine
Answer:
B. Thymine
Explanation:
The thymine pairs with adenine. Thus, option (B) is the correct answer.
Which of the following is the best definition for the term "evolution"?
Group of answer choices
A change in the frequency of genes in a population over time
A measure of the successfulness of the most fit creatures in a population
A measure of the change of a specific trait in an individual over time
A change in the shape of an individual or group over time
A change in the abilities of the strongest creatures in a population
Answer:
it is option c
Explanation:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
What gives your characteristics?
A. RNA and carbohydrates
B. DNA and Proteins
C. Biological catalysts
Answer:
B. DNA and Proteins
Explanation:
mark brainliest
Answer:
What gives your characteristics? DNA and Proteins.
Explanation:
Have a great summer.
What does the immune system produce to help fight future infections with the same type of vírus that is introduced in a vaccine?
mutations
anticodons
mutagens
antibodies
Answer:
antibodies us the answer
when scientists use their five senses to learn new information, it is called?
Match these objects with their best description.
Jupiter
Mars
Mercury
Pluto
Saturn
smallest of the terrestrial
planets
most habitable other than
Earth
has the most visible rings
has the giant red spot
is a Kuiper belt object
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object
Saturn - Most visible rings
Answer:
jupiter = giant red spot
mars = most habitable other than earth
mercury = smallest terrestrial planet
pluto = is a kuiper belt object
saturn = most visible rings
What is the measured output force of a pulley system if the Mechanical Advantage is 0.48 and measured input force is 10N?
Answer:
Output force is 4.8 N
Explanation:
A pulley is a simple machine made of a grooved wheel with a rope or cable wrapped around it. Pulleys are used in the transmission of energy or motion.
The input force is also known as the applied force while the output force is the force exerted on an object by a simple machine.
The mechanical advantage of a pulley is the ratio of the output force to the input force.
Mechanical advantage = output force / input force
Substituting:
0.48 = output force / 10
Output force = 4.8 N
suppose that the supply of fossil fuels were going to run out in 10 years. what would happen if we ran out without being prepared? what could be done to prepare for such event?
Answer:
which school do you read please tell me
A chromosome has an inversion.which describes a pericentric inversion
Pericentric inversion:
a chromosome in which a segment of a chromosome is reversed end to end, then put back into place.
What happens if a person has one kidney removed? 1 point a. They will continue as normal b. They will stop making urine c. They will accumulate excess urea D. They will die.
Need help please and thanks
Answer:
Hi, there
1. Double
2. sugar and phosphate
3. nitrogen bases
4. Guanine
Explanation:
Hope this helps
Also, they go in order it starts off with double and ends in Guanine
how far is the earth away from the sun
Help plz and thank you
Answer: THAT IS SO LONGGGGGGG WE CANT DO IT BUT GOOD LUCK!!!!!!!!!!!1
Explanation:
help please
Two children and their dog are outside. The children are skating, and the dog is eating. It begins to rain, and the children and dog rush inside so quickly that it causes them to breathe more rapidly. When they are inside, the children dry their hair using towels, and the dog dries it's fur by shaking it's fur.
Look at the list of actions below:
1. The children skating
2. The dog eating
3. The children breathing more rapidly
4. The dog breathing more rapidly
5. The children using towels to dry their hair
6. The dog shaking it's fur to dry it's fur
Which actions best represent inherited behaviors?
A - 2,3,4,6
B - 2,4,6
C - 1,5
D - 1,2,3,4,5,6
Answer:
The answer is A because the other actions the child thinks of doing or was taught to do
Answer:
D - 1,2,3,4,5,6.
Who is the first president of united states??
George Washington is the first president of United States.
What is the initial stage of all stars?
A) nebula
B) black hole
C) supernova
D)white dwarf
Answer:
A) nebula
Explanation:
A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts. Once a star has “turned on” it is known as a main sequence star.
Answer:
nebula
Explanation:
stars start in a nebula
Examine the Punnett square below.
B
B
B
BB
BB
b
Bb
Bb
Which of the following choices gives the alleles of the parents shown here?
BB and BB
BB and Bb
Bb and Bb
Bb and bb
Answer:
Hi, there the answer is BB and Bb
Explanation:
By looking at the Punnett square, the alleles of the parents are BB and Bb. So, the correct option is B.
What do you mean by Alleles?Alleles may be defined as the ultimate combination of one or two or more alternative forms of genes.
The Punnett square which is described below clearly demonstrates the allele BB on the horizontal side, while the alleles Bb on the vertical side.
Therefore, the correct option for this question is B.
To learn more about the Punnett square, refer to the link:
https://brainly.com/question/3522181
#SPJ2
Which is a result of a seasonal change. (Meaning a change that happens over and over at a certain time) A. Grass dying to overgrazing. B. Fish moving away from polluted site and into clearer water. C frogs digging to mud to hibernate in the winter. C. Plankton dying due to an oil spill.
Answer: C
Explanation:
The winter is a season
Sorry if I got it wrong, good luck!
Select the domain that contains both plants and animals.
nitrospira
annelida
echiura
eukarya
bacteria
achaea
chordata
Answer:
eukarya
Explanation:
Organisms in the domain Eukarya keep their genetic material in a nucleus and include the plants, animals, fungi, and protists.
Which of the following is NOT a characteristic of all living things?
Response to environmental stimuli
Growth
Reproduction
Movement
Answer:
movement
Explanation:
advantages and disadvantages of cell mediated and humoral immunity
Cell-mediated immunity is directed primarily microbes that survive in phagocytes and microbes that infect non-phagocytic cells. It is most effective in destroying virus-infected cells, intracellular bacteria, and cancers. It also plays a major role in delayed transplant rejection.
If a horse has 40 chromosomes in its heart cells there will be blank chromosomes in its tail cells and blank chromosomes in its egg cells
Answer:
40 in tail and 20 in egg cells.
Explanation:
If a horse has 40 chromosomes in its heart cells so there will be 40 number of chromosomes in its tail cells and 20 number of chromosomes in its egg cells because tail is also a part of body where mitosis type of cell division occurs means there is diploid number of chromosomes, while on the other hand, egg cells are the reproductive part where meiosis type of cell division occur in which haploid number of chromosomes are present.
Who wrote Humayunama ?The point of Origin of the earthquake is called According to Plate tectonics, how many major plats are there on earth's crust?Which one is one of the World's most beautiful Volcanic mountain ?Which type of rocks contain fossils and plant remainsWho built Grand Trunk Road ?
Anyone Here From Followings...!! ?
Answer:
Gulbadan Begum ( c. 1523 – 7 February 1603) was a Mughal princess and the daughter of Emperor Babur, the founder of the Mughal Empire. She is best known as the author of Humayun-Nama, the account of the life of her half-brother, Emperor Humayun, which she wrote on the request of her nephew, Emperor Akbar.
Hnji I'm here✌️PLS HELP IMMEDIATELY!!!!! ILL MARK BRAINIEST IF U DONT GUESS AND ACTUALLY PROVIDE THE CORRECT ANSWER!!!!
Answer:
Grass - grasshopper - frog - snake - hawk
Explanation:
The grasshopper eats the grass, the grasshopper is eaten by the frog, the frog by the snake, and the snake by the hawk.
Answer:
D. grass - grasshopper - frog - snake - hawk
Explanation:
What were some number of possible solutions to air pollution?
What is the cell doing in G zero?
A. preparing to divide
B. synthesizing their DNA
C. carrying out their cellular function
Answer:
What is the cell doing in G zero? Preparing to divide.
Explanation:
Have a great summer.
Answer:
A. preparing to divide
Explanation:
The cell in G zero is preparing to divide. So, option (A) is the correct answer.