Which is a symbiotic relationship?
A. a hawk eating a mouse
B. a fish laying eggs in a stream
C. a mistletoe plant living on a tree
D. a plant using sunlight to make food
Answers
Answer:
B
Explanation:
D- only the plant benefits
C- Mistletoe is a parasite
A- only the hawk benefits
Answer:
the answer is C
Explanation:
there needs to be one organism thriving off another without the other organism reciving anthing good
Related Questions
Many living things depend on
the ocean currents for food,
transportation, and a suitable
climate.
True of False?
Answers
True
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PS: PLEASE DO NOT PUT A LINK I AM NOT GOING TO OPEN THE LINK IN THE ANSER SECTION! THERE ARE 4 QUESTIONS.
1. what will be the distribution pattern of a population of snakes that have no social interactions and whose prey and shelter are abundant?
a. need more information
b. randomly dispersed
c. evenly dispersed
d. clumped
2. if there are 60 cardinals in a 4 square km area, what is the population density?
a. 60 cardinals
b. 15 cardinals per square kilometer
c. 60 cardinals per square kilometer
d. 240 cardinals
3. What is the term used to describe a factor that is directly related to population size?
a. distribution pattern
b. population index
c. age distribution
d. population density
4. Which of the following describes the distribution pattern of a population of black bears that have no social interactions and whose prey and shelter are abundant?
a. randomly dispersed
b. clumped
c. need more information
d. evenly dispersed
Answers
2 is B (15 cardinals per square km)
3 is B (population index)
4 is A (randomly dispersed)
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Four students observed a wilted plant and were asked to identify the
internal stimulus that caused the wilting, Their responses are shown
below
Student
Response
1 Not enough moisture in the
air
2
Lack of water inside plant
cells
3
There is not enough sunlight
4
Too much moisture in the air
Which student correctly identified the internal cause of the wilted
plant?
Answers
Answer:
Student 2
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Answer:
Student 2
Explanation:
Chromosomes 1 - 22 are called autosomes and code for all of the processes in the body except the genes that determine gender characteristics. How many total autosomes does Subject A have?
Answers
Humans exhibit twenty-two (22) pairs of autosomes or autosomic chromosomes which are distinct from sex chromosomes X and Y.
What is an autosome?An autosome can be defined as any chromosome in a somatic/germinal cell that is not a sexual chromosome (i.e., autosomes are not x chromosomes and Y chromosomes).
Autosomes contain essential genes required both in women and men in order to synthesize structural and enzymatic proteins present in their cells.
In conclusion, Humans exhibit twenty-two (22) pairs of autosomes or autosomic chromosomes which are distinct from sex chromosomes X and Y.
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Deoxygenated blood contains oxygen
True or false
Answers
Answer:
false
Explanation:
Answer:
False.
Explanation:
De-oxygenated blood means that the blood is void of oxygen. Oxygenated blood contains oxygen inside.
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How does energy efficiency create jobs?
Answers
A model used by evolutionary biologists to represent evolutionary history among species is called a
o cladogram.
O parallelogram.
O histogram.
O phylogram.
Answers
Answer:
cladogram
Explanation:
Basalt is a gray or black igneous rock. Pilar uses an absolute dating method to study a sample of basalt. Which phrase indicates the age of the rock in years?Half-life of the rock
A. Half-life of the rock
B. Absolute age of the rock
C. Radioactive date of the rock
D. Age of the index fossil in the rock
Answers
Answer:
C
Explanation: That s C
in wetter climates plants usually have more stomata and grow faster. Suggest why
Answers
Answer:
A wetter climate slows the rate of transpiration allowing for there to be more stomata present on each leaf. Plants lose a lot of water when they open their stomata to get carbon dioxide for photosynthesis, especially in hot, dry deserts. Cacti lose less water by only opening their stomata at night.
Explanation:
name and match the description of the phases of meiosis 1
Answers
2. Homologous chromosomes pair up forming a tetrad
3. Spindle fibers attach to chromosomes
4. Spindle fibers pull chromosomes toward opposite ends of the cell
5. Two new nuclear membranes form. Two new cells are formed
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what is the temperature range in a desert?
Answers
Answer:
During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).
Answer:During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).
Explanation:i hope u have a wonderful night and stay safe
easy question!
which one? why?
Answers
Answer:
I believe it is -10mph
Explanation:
this is because the person is slowing down by 10 so it is 20-10
Answer:
-10mph because you ease of the speed so it will actually bring down the velocity to a lower number.
Describe the similar processes for how all organisms get oxygen from the environment to all of their cells.
Answers
which of the following is an example of commensalism? i just need someone to check my answer if its wrong correct me.
Answers
yeah answer d is correct
Answer:
D is correct.
Explanation:
Commensalism is defined as an association between two organisms in which one benefits and the other derives neither benefit nor harm. Sine the Barnacle is being benefited but the Whale is not behind helped nor harmed it is an example of Commensalism.
The brain stem controls heart rate. Which two systems are interacting?
Answers
Answer:
circulatory and nervous
Explanation:
the brain stem use nerves to send a signal to the heart to slow it down or speed it up
Tim scraped his knee during a fall and it needs to be repaired. The closest skin cells begin sending out growth factors through paracrine signaling to tell all nearby skin cells to start replicating to repair the damaged area.
What are the next steps once the message is sent?
A) The growth factors are packaged into a vesicle and secreted from a cell that acts upon all nearby cells. The cells start dividing.
B) The growth factors are packaged into a vesicle and secreted from a cell that acts upon target cells near and far. The cells start mitosis.
C) The growth factors are packaged into a vesicle and secreted from a cell that acts upon only a target nearby cell. The cell starts swelling up.
D) The growth factors are packaged into a vesicle and embedded into the plasma membrane where it is detected by other cells. The cells produce more proteins.
Answers
Answer:
It is B all the other answers are for other types of injuries, knee scrapes don’t swell, it might divide, and it would produce more protein
Explanation:
Tim scraped his knee during a fall, and it needs to be repaired, so the growth factors are packaged into a vesicle and secreted from a cell that acts upon target cells all nearby cells. The cells start dividing, which is present in Option A.
What happens during cell repair?When the cell breaks, then the nearby cells release the paracrine signaling that goes to the cells and stimulates the cells to make the mitosis process and divide, which includes DNA replication, protein synthesis, and RNA synthesis, and then from the original cells, the daughter cells are formed and fill the gap that is formed in the injury and the far cells don't get the signal as the paracrine factors acts nearby.
Hence, Tim scraped his knee during a fall, and it needs to be repaired, so the growth factors are packaged into a vesicle and secreted from a cell that acts upon all nearby cells. The cells start dividing, which is present in Option A.
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HELP!!!
Please lmk if you can not see the attachment
Answers
Answer:
i cant see the attachment
Explanation:
25% of the offspring are ________ purple and 25% of the offspring are _pp___ white. 50% of the offspring are _____PP__ purple.
Answers
Answer:Pp
Explanation: the only possible answer is Pp when looking at the other phenotypes presented.
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Answers
Answer:
a
Explanation:
What process breaks glucose down to be used as an energy source?
Answers
Answer:
Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP
Explanation:
what is the cell cycle? a eukaryotic cell ..... in a process called the cell cycle
Answers
Answer:
The cell cycle is the events that take place in a cell as it grows and divides. A eukaryotic cell replicates and divides during the cell cycle. (but I don't know if that's the answer you are looking for)
Explanation:
2. Describe the structure of a silkworm
Answers
Answer:
The structure of the silkworm is that the liquid silk hardens into five filaments which stick together in silk thread the silk are wrapped around the silk worm and forms a cocoon inside the cocoon the silk worm develops into a pupa in 15 days one silk worm secretes 1000-5000 meters of silk thread
I hope this might be the answer and might help u out
what is the difference between genetic engineering and selective breeding
Answers
Selective breeding makes use of existing, naturally present gene variants in a species? and the natural process of breeding. Genetic engineering involves a direct change to an organism's genome in the laboratory.30 Jul 2019
Why is the US NOT the world leader in the problem of climate change?
Answers
Explanation:
This is more of an opinion based question, but I would say it's because we continue to produce massive amounts of pollution, and we have not taken much action into the problem at all. Countries that would be a leader in climate change would be much less populated, and limit their carbon emissions
This tall, branching saguaro cactus provides nesting sites, food, and water
to other animals of the Sonoran Desert.
Which term best characterizes the role of the saguaro cactus in its desert
ecosystem?
Answers
The term biotic factor best characterizes the role of the saguaro cactus in its desert ecosystem.
What is an Ecosystem?An ecosystem may be defined as a place or an area where members of different species live together and interact with one another for the purpose of food, space, and shelter.
Saguaro cactus provides nesting sites (space), food, and water to other animals of the Sonoran Desert and allows them to survive and reproduce in a much better way. This refers to the biotic factor of an ecosystem.
Therefore, the term biotic factor best characterizes the role of the saguaro cactus in its desert ecosystem.
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The complete question is as follows:
This tall, branching saguaro cactus provides nesting sites, food, and water to other animals of the Sonoran Desert.
Which term best characterizes the role of the saguaro cactus in its desert ecosystem?
biotic factorpredatorconsumerdecomposerAnswer: Biotic
Explanation:
The cotton whitefly has become a key pest, damaging many kinds of crops. The cotton whitefly has developed resistance to a variety of pesticides. Pesticide resistance would most likely develop in insects that:
Answers
Answer:
The correct answer is - reproduce rapidly.
Explanation:
In the insects such as cotton whitefly can develop a resistance to a variety of pesticides by surviving a small population from each pesticide or insecticide treatment.
Such populations reproduce rapidly to transfer the gene that is mutated or the change it adapted for survival to next generations and pass the resistance to the insecticide. If the use of an insecticide is repeatedly and in large quantity, there are chances to develop resistance to a larger population.
4. Which of the following best describes how LAMARCK would explain giraffes with long necks? A. Long-necked giraffes eat more grass that short-necked giraffes, so their necks grow longer. B. Natural variation in the population produces some longer and some shorter-necked giraffes, and necked giraffes can reach food more easily C. Some giraffes have acquired longer necks by stretching to reach food and passed the trait to the D. Giraffes just started out with long necks and haven't changed.
Answers
Answer:
C. Some giraffes have acquired longer necks by stretching to reach food and passed that trait on.
Explanation:
Forest foxes have two different color fur coats. Orange is dominant to gray.
Write all the possible genotypes and their phenotypes for our fox's fur coats! (USE THE LETTER F/ f )
Answers
Explanation:
ion even know what to tell you bro bro...
. The original DNA sequence below has undergone 16 substitution mutations. In the spaces below, write the letters of the original bases that have been replaced. Write the letters in the order in which they occur from left to right. Your work will reveal the answer to the question below.
original sequence: ACTTTATTCACACTGTCACCTCTATATGCGAAGTG
sequence with mutations: ACCTTCGTGTCACGGTGTCCCGTTAATGTGCGGAG
What did Ian's mother say when she saw the rat running past Whiskers?
_ H _ _ _ _ _ _ _ N _ _ _ _ _ H _ R _ _
Answers
Answer:
A change in one base of the gene sequence is known as point mutation.
Explanation:
Question 2 is incomplete.
3. A mutation that only affects a single nucleotide of nucleic acid is known as Point Mutation.
In Point mutations there is substitution of one base for another.
Example: TAT TGG CTA
TAC TGG CTA
The TAT changes to TAC which shows point mutation.
4. Yes. The point mutation have an effect on the outcome compared to the normal sequence.
When there is a change in one base of the gene it results into causing disease such as cancer, sickle cell anemia.
Explanation:
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The Galapagos Islands contain 15 species of finches that mainly have different beak types and sizes. These finches evolved from a common ancestor that moved to these islands and occupied different parts of it.
What was the most likely reason these finches evolved into different species?
A. They interbred with other bird species.
B. They adapted to different food sources.
C. The beaks provided a variation for survival in extreme climates.
D. The beaks prevented them from being seen by predators
Answers
Answer:
The breaks provided a variation for survival in extreme climates.
Explanation:
The most likely reason these finches evolved into different species is the beaks provided a variation for survival in extreme climates.
What do you mean by Species?Species may be defined as a group of organisms that can reproduce naturally with one another and create fertile offspring.
The finches evolved to have different beak shapes because they adapted to different food sources. But when these variations are passed on to the next 10 to 12 generations, reproduction isolation has been observed. From here it can be said that a new species have been evolved.
Therefore, the most likely reason these finches evolved into different species is the beaks provided a variation for survival in extreme climates.
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