Answer:
The third line of defense is referred to as the immune response. This defense is specific to a particular pathogen, and it allows the immune system to “remember” the pathogen after the infection is over.
Explanation: in my best description, btw if its good make me brainliest?, if it didnt help im sry i tried my best
Which organisms would have the most similar traits?
Answer:
Organisms in the same family will have the most similar traits.
Organisms mostly will be the same when they are in the same family, and if there are two organisms in different families that look alike, it will be a coincidence.
Answer: organisms in the same order
Yeet Skeet
Germination will not happen unless a seed
A. is dispersed far from the plant that produced it.
B. absorbs water.
C. uses its stored food.
D. grows stamens and a pistil.
Select the correct answer. PLZ HELP 11+points
Where do humans fit in the food web?
A)carnivores
B)decomposers
C)omnivores
D)producers
Answer:
C - Omnivores
Explanation:
Answer:
C. Omnivores
Explanation:
Humans consume both plants and animals, so they’re omnivores. Producers make their food in the presence of sunlight. Carnivores eat other consumers. Decomposers consume dead plants and animals.
Write two sentences on global warming
Answer:
Global warming is a major crisis in the world. It is when companies or industries dump or pollute the air or the nature that is around us.
Explanation:
Answer:
I'm glad you asked!
Explanation:
Global warming is temperature of earths surface and more, like atmosphere.Global warming is Mostly about temperature and crisis.People are hurting animals in the ocean and throwing garbage.
Hope that was helpful.Thank you!!!
what is the role of a cytoplasm
Answer:
Cytoplasm is responsible for giving a cell its shape. It helps to fill out the cell and keeps organelles in their place
Explanation:
Cytoplasm contains molecules such as enzymes which are responsible for breaking down waste and also aid in metabolic activity.
Which type of organism developed first?
A. Chordates
B. Vertebrates
C. Deuterostomes
D. Sponges
Answer: D sponges, i just got this wrong lol
Explanation:
Why sponges develop first?
Sponges belong to the oldest and most simple animals that had evolved, and their discovery in such old rocks meant that they may have been the first animals.
How did sponges evolve?
Among extant animals, only sponges could have evolved directly from protozoa without changing feeding mode.
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2 Points
Which best describes the blood flowing in a vein?
O A. It moves toward the heart.
B. It contains no red blood cells.
O C. It is oxygen rich.
D. It contains no white blood cells.
The changing of the rivers created more ____________ for animals
aRegeneration
bVegetation
c Erosion
d Habitats
Answer:
D) Habitats for animals.
Explanation:
It depends what the question means when it says 'the changing of the rivers'. I took it as the rivers are changing size and becoming more spread out. In that case, I chose habitats.
The more water there is, the more habitat there is for sea life.
All in all, the correct answer is D).
what is the best definiton of genetically motified foods? HURRYYY!!! please and thank youuuu
Answer:
GMO, or genetically modified foods, are foods that are messed with genetically by science to better benefit the human race. For example, scientists might replace genes that give corn a lower harvest, with a different gene in corn that makes a higher amount of harvest.
Explanation:
You could also look it up. Just search "GMO".
B and T cells of the immune system have unique B and T cell surface receptors (respectively) as shown above. What is the function of the variable and the constant regions of the B and T cell receptors of the vertebrate immune system? A) There will be an increase in inflammatory response during an innate immune response. B) There will be a decrease in allergic responses on the part of the individual to allergens in the environment. C) There will be an increase in variety of the shape of the B and T cell receptors, allowing them to recognize and destroy more pathogens. D) There will be a decrease in pathogens that can enter the body, resulting in a decrease of antibodies present and circulating in the blood.
Answer:C. There will be an increase in variety of the shape of the B and T cell receptors allowing them to recognize and destroy more pathogens
Explanation: usa test prep
Answer:C
Explanation: Because I did the USA test prep
1. Why is the bird on the right more likely to pass on its genes than the bird on the left?
2. Why would some variations/traits be passed on to the next generation and some seem to disappear over time?
3. What type of adaptation/traits do you think would be good to pass on to your children?
Answer:
1because it has a bigger and larger beak
2because of the development of the technology, genes change overtime and more now because of the global warming
3somewhere natural,traits:values,justice,self defense,to take care of the environment, etc
The chart shows information about three different embryos early in their development.
Which is best supported by the information in the chart?
Species X and Y are not related to humans.
Species Y and Z are not related to humans.
Species X and Z are related to humans.
Species X and Y are related to humans.
Answer:
Species X and Y are related to humans.
Explanation:
The chart shows information about three different embryos early in their development. The best supported by the information in the chart is that Species X and Y are related to humans. Thus, option D is correct.
What is an embryo?An embryo refers to the early development stage with respect to the multicellular organism. The organism should be again produced se-xually. Moreover, the development of embryonic should be a portion of the life cycle just done after fertilization and continued via when the structure of the body is formed like tissues and organs.
The development of embryonic i.e. used for proof with respect to evolution should be related species that contain the same embroys.The similarities during the embryo stage of development among different animals are due to the expression of ancient genes.
These ancient genes have the same evolutionary origin, thereby they are homo-logous sequences. For example, fish embryos and human embryos express certain homo-logous genes in the embryos stage, thereby leading to the development of gill slit during this stage.
Therefore,Thus, option D is correct.
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The Environmental Policy Act of 1969 was instituted as a follow up regulation to major environmental issues that occurred in
the 1960's.
Please select the best answer from the choices provided
T f
Answer:
The given statement is true.
Explanation:
The enactment of the Environmental Policy Act or the EPA in 1969 was done to monitor the issues of the environment that took place in the 1960s. It was the major and the primary law, which was postulated at that time to solve environmental issues in the United States. The enactment of the EPA law was done for various reasons, some of which are as follows:
1. To better the health of human beings.
2. To generate harmony between nature and humans.
3. To encourage efforts to reduce destruction to the environment.
Answer:
true ).
Explanation: answer on edge
How does your heart rate affect the rate at which red blood cells travel throughout your body? PLEASE HELP ME QUICK!!
Answer:
with each heartbeat,the heart pumps blood throughout our bodies,carrying oxygen to every cell,after delivering oxygen the blood returns to the heart the heart then sends the blood to the lungs to pick up more oxygen.
Which functions are aided by swimmerets in crustaceans? Check all that apply. attachment to host gas exchange prey capture reproduction swimming
Answer:
b,d,e
Explanation:
I took the assignment.
The functions that are aided by swimmerets in crustaceans are gas exchange, reproduction, and swimming.
What do you mean by Crustaceans?Crustaceans may be defined as any of a large group of mostly water animals, that have tough outer shells, two pairs of antennae, and limbs that are jointed.
Crustaceans are organisms that belong to aquatic habitats where play performs their functional role and increase their survival rate effectively.
Therefore, the functions that are aided by swimmerets in crustaceans are gas exchange, reproduction, and swimming.
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Which of the following infectious disease agents is the smallest? A Bacteria B Virus C Fungus D Parasite
Answer:
B. Virus
Explanation:
With the exception of Virods and Prions, viruses are the smallest infectious disease agents.
After viruses, bacteria are the smallest, then fungi, and lastly parasites.
Answer:
virus
Explanation:
Which is the best evidence that two species have a common ancestor?
A:The two species have the same diet.
B:The two species live in the same habitat.
C:The two species' skeletal structures are 90% identical.
D:The two species' DNA sequences are 90% identical.
Answer:
I'd go with D.
Explanation:
Species may share similar physical features because the feature was present in a common ancestor (homologous structures). Molecular biology. DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are.
Describe natural selection
Answer:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Explanation:
An oak tree can be a home for animals like squirrels, birds, etc. as well as provide oxygen for the environment. This is an example of a _____________: the role an organism plays in the environment.
Answer choices:
A. Understudy
B. Lead
C. Niche
Answer:
C
Explanation:
A Niche is the role an organism plays in its environment.
Answer:
C
Explanation:
During photosynthesis blank energy is converted into blank energy
Answer:During photosynthesis solar energy is converted into chemical energy
Explanation:
Help.. 14 _____ are substances that can cause cancer.
15
Scientists join cancer cells with antibody-producing white blood
cells to produce _____.
Answer:
14. Carcinogenic
15. Not sure. I believe it is monoclonal antibodies.
The high temperature on Friday was 8 degrees above zero. The low temperature was 3 degrees below zero. Which expression gives the average of the low and high temperatures?
a
Left-bracket negative 3 + (negative 8) right-bracket divided by (2) Right-bracket
b
(negative 3 + 8) divided by 2
c
(negative 3 + 8) divided by (negative 2)
d
Negative (3 + 8) divided by 2
Answer:
B
Explanation:
The negative goes by the 3 because it is 3 degrees below zero. To find averages, you add the numbers and divide by how many numbers there are. in this case, it would be (-3+8)/2
Put the steps of the carbon cycle in order using Step 1 as your starting point. Step 1: Carbon dioxide is
taken in by plants during photosynthesis.
The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is
taken in
The animal releases the carbon dioxide back into the atmosphere during respiration.
The animal eats a plant and uses its carbohydrates for energy.
DONE
Answer:
step four
step three
step two
Explanation:
what is the change in size of a group of organisms of the same species over time
A) population growth
B) death rate
C) birth rate
D) immigration and emigration
Which statements about mutations are true? Check all that apply.
A. Mutations cannot be passed from generation to generation.
B. Mutations are rare.
C. Mutations are always harmful.
D. Germline mutations occur in body cells.
E. Most forms of cancer are caused by somatic mutations.
Answer:
most forms of cancer are caused by somatic mutations
Explanation:
Answer:
B & E
Explanation:
Just did it and got it right
what systems do you use when you have a scrape knee
Answer:
cleaning alcohol. polisporin. and bandades
Explanation:
Answer:
You use the immune system
Explanation:
it play a crucial role in the process of wound healing
. Why is the carpel considered female and the stamen male?
Answer: A carpel is the female reproductive part of the flower, interpreted as modified leaves that bear structures called ovules, inside which the egg cells ultimately form and composed of ovary, style and stigma. Stamen, the male reproductive part of a flower, consisting of a long slender stalk and the pollen-producing anther.
Explanation:
Red squirrels and gray squirrels have been the native species on an island for many years. A few years ago, black squirrels entered this island. The black squirrel is an invasive species. Invasive species aren't native to the ecosystem. They move into an ecosystem because of natural changes or human intervention. Red squirrels and black squirrels have identical food requirements, but gray squirrels have a different diet. What three effects will these events have on the island's squirrel population?
Answer:
1. There will be direct predation of species.
2. There will be competition for limited resources like breeding sites, prey.
3. Transmission of diseases or they can cause danger to the native species.
Explanation:
Invasive species are species of organisms that are not natural to an ecosystem and move to an ecosystem because of natural changes and human intervention. Islands are prone to the invasion of invasive species because they don't have predators and there is no competition that control populations in their ecosystem. The invasion of black squirrels will lead to competition for limited resources like breeding sites or prey, the black squirrels will begin to predate other squirrels because they have different nutrients requirements and they can transmit diseases to other squirrels if they are carrier.
Answer:
B C D
Explanation:
GOT IT RIGHT ON PLATO
The Immune System is built on millions of cells called
Answer:
White blood cells: lymphocytes, neutrophils, and monocytes
Explanation:
Lymphocytes are processed in the bone marrow and then migrate to the lymphoid organs. The cells of the immune system are white blood cells: lymphocytes, neutrophils, and monocytes.
The immune system comprises of many biological structures and processes within an organism that provides resistance to infection and toxins.
Which traits would Aristotle have used to classify sharks? Choose more than one answer.
Answer:
The main trait that was different between sharks 14 and 9 was that shark 14 (Mobulidae) has a front with two points that look like horns, whereas shark 9 (Dasyatidae) has a front with no points that look like horns.
Explanation:
The traits that Aristotle would have used to classify sharks are :
Front with points ( hornlike )Front without points Sharks classificationSharks whose front have two points like horns are classifed by Aristotle as sharks 14 (Mobulidae). whlie sharks whose front does not have two points like horns are classifiesd as sharks 9 ( Dasyatidae ). hence the traits that would have been used by Aristotle to classify sharks is the presence of points at the front.
Hence we can conclude that the traits that Aristotle would have used to classify Sharks are Front with points and front without points.
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