Answer:
This question lacks options, the options are:
A. Concentration of carbon dioxide in the air
B. Quality of nitrates in the soil
C. Wavelengths of light
D. Availability of water in the soil
The answer is B
Explanation:
Photosynthesis is the process whereby cells of autotrophic organisms manufacture their food in the presence of sunlight. The rate at which the process of photosynthesis occurs, however, is dependent upon certain factors including the concentration of reactants (water and carbon dioxide), availability of light source etc.
Among the options, the concentration/availability of light, carbon dioxide and water, which are key reactants of photosynthesis, will have greater effect on the rate at which the process occurs than the availability of nutrients (nitrates) in the soil. Hence, the quality of nitrates in the soil will have the LEAST effect upon the rate of photosynthesis in a geranium plant.
Photosynthesis is defined as the process of making food in the presence of sunlight, carbon dioxide, and chlorophyll. It is carried out by algae and plants.
The correct options are:
Option B. Quality of nitrates in the soil
The rate of photosynthesis is highly dependent on the light, concentration of carbon dioxide, and water.
These are the key reactants of photosynthesis, which help the plant prepare food and release oxygen.
The quality of the nitrated in the soil will have the least effect on the rate of photosynthesis of the germanium plant.
Therefore, the correct answer is the quality of nitrate in the soil.
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A child became ill with the measles. Measles is a disease that is highly contagious. The child’s mother did not get sick, even though she and the child were close while the child was ill. State one reason why the mother did not get sick with the measles.
Answer:
she has had it before, so her immune system has built up from it
Explanation:
I hope this helped
Describing Rhizoids
What is the function of rhizoids?
Explanation:
Water transport and adhesion to surfaces in some mosses and liverworts.
Hope this helps :)
Answer:
Rhizoids are a structure in plants and fungi that functions like a root in support or absorption.
Explanation:
How do air masses interact to form a hurricane?
A. A cyclone becomes slower and slower as pressure differences
between areas of low and high pressure decrease.
B. A cyclone rotates faster and faster as pressure differences
between areas of low and high pressure increase.
C. Cold, dense air flows toward the warmer, less dense air, so the
cold front ends up moving faster than the warm front.
D. Two air masses meet, but neither moves into the other one and
spiral wind results.
The major cause of air masses interaction to form a hurricane is that a cyclone becomes slower and slower as pressure differences between areas of low and high pressure decrease, hence option A is correct.
The low pressure area is pushed inward by air from nearby regions with higher air pressure, "new" air then warms up, gets humid, and rises as well.
The surrounding air swirls in to take the place of the rising heated air. The water in the air condenses into clouds when the warmer, humid air rises and cools.
More water vapor may be held in air that is warmer. Particularly during severe occurrences, the extra atmospheric moisture causes more intense rainfall.
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Which of the following organelles were NOT FOUND in animal cells? (CHECK ALL THAT APPLY)
Cell Wall
Plant Cell Membrane
Rough ER
Chloroplast
Small Vacuole
Large Vacuole
(This is 7th grade science).
Answer:
Plant cell membrane, Chloroplast
Explanation:
Mark me as brainliest if i helped u, i really need it:)
Which of the following is NOT an environmental strategy?
a. habitat protection
b. reduce pollution
c. increase water use
d. learn about local issues
Answer:
learn about local issues
Explanation:
What four characteristics are best for an index fossil to have ?
Answer:
Easily recognizable, short lived (found only in a few layers of rock worldwide), wide distribution (geographic range).
Explanation:
Nucleic acids are to DNA
as proteins are to...
Answer:
From DNA to RNA to proteins. Many genes encode protein products, meaning that they specify the sequence of amino acids used to build a particular protein.
Which of the following characteristics of a solution is also true for a pure substance?
O They appear uniform throughout.
O Their components retain original properties.
O They can be separated into its components by physical means.
O Two samples can have different properties, depending on the source.
IF U ANSWER IT RIGHT ILL MARK U BRAINLIST
Answer:
O Two samples can have different properties, depending on the source.
Explanation:
These sunflower seeds have sprouted and are growing tall The seeds need energy to grow. The seeds can make their own food
using water, carbon dioxide and
The end result is sugar or glucose that plants use as food,
A)
air
B)
soil
oxygen
D
sunlight
soil and oxygen sorry if it's wrong
Which of the following monomers are repeatedly joined together to form DNA? *
amino acids
fatty acids
nucleotides
polysaccharides
Answer:
nucleotides
Explanation:
because it is explained that the monomers of DNA are referred to as nucleotides.
Why can't DNA leave the nucleus?
Because that will risk it getting damaged
Answer:
Actually, it’s not the DNA itself cannot leave the nucleus, but the Chromosome or Chromatin. Because, in the nucleus, DNAs are folded into Chromatin or Chromosome. Chromatin or Chromosome just like a rope, and the DNA just the fiber. It’s the rope cannot escape from the nucleus instead of the fibers.
Explanation:
Genes are found on specific spots of DNA.
O True
O False
Answer: true
Explanation:
Multiple Choice
Why is the naming system used in modern taxonomy called a binomial system?
O It is based on study of the natural biome, and is rooted in differences within the biome.
O It is a binary number code, indicating distance from a central ancestral species.
O The binomial terms are derived from imagined biological ideals.
O The system uses 14o names, one to indicate genus and one to indicate species.
Answer: The system uses 14o names, one to indicate genus and one to indicate species.
Explanation: Carolus Linnaeus placed organisms in groups based on their observable features. He also devised a naming system called binomial nomenclature that indicates an organism's genus and species.
hope this helped :D
If an mRNA strand
has 36 bases, how
many amino acids
will be in the final
protein?
Answer:
12
Explanation:
The answer would be 12 amino acids will be in the final protein
is it bad if you eat a red banana? cause im a bit scared D:
Why can't one vaccine work for all diseases or illness?
Accurate and explained answer.
Answer:
because not every virus or disease has the same DNA or RNA
4 Scientists want to know whether your genes or your environment has the biggest influence on your
behaviour
. To answer this question they compare identical twins that were separated at birth with
identical twins who grew up together.
a Suggest why identical twins separated at birth are ideal for these studies.
b What results would you expect if inherited variation turned out to be more important than
environmental variation in determining your behaviour? Pealse short answers I dont have enogh lines
Answer: a. Identical twins who grew up together are essential for these studies so that we can see if environment is really an influence or not. Maybe it could be a different case for each one of them. So by comparing them we can know.
b. The results of inherited variation would be that the offsprings would get the same type of characteristics from their parents while environmental variation is variation causedby the environment like heat, temperature, etc.
Explanation:
Anyone know the answer to this please help. I know what the answer to 4 and 6 though.
Answer:
hey :))
Here are ya answers
3 goes to “A disease causing agent”
1 goes to “Tiny sacs within the lungs that exchange oxygen”
2 goes to “A cell that has a membrane bound nucleus”
and lastly 5 goes to “A cell that whos nucleus is not bound to a membrane”
hope i helped ya any :))
1. The primary source of energy in most ecosystems is/are
A. autotrophs
B. the sun
C. heterotrophs
D. glucose
2. Which would be an autotroph in a grassland ecosystem?
A. mallard duck
B. prairie cordgrass
C. monarch butterfly
D. muskrat
3. Which of the following best explains why there are fewer secondary consumers than producers?
A. Around 10% of the energy is transferred to support the next trophic level.
B. Heat energy given off from producers kills off primary and secondary consumers.
C. Secondary consumers have less cell processes that need energy.
D. More secondary consumers can absorb radiant energy from the sun.
4. Which tropic level ingests the most biomass in order to receive the energy they need?
A. primary consumers
B. producers
C. tertiary consumers
D. secondary consumers
5. Wolves were reintroduced to Yellowstone National Park in 1995. They began to hunt the abundant elk population, so elk numbers decreased. The elk carcasses provided food for other predators, like foxes, coyotes, and bears, so all of their populations increased. Elk used to overgraze on willow plants; now that willows are growing back, beaver numbers are increasing, because they prefer the slow-moving water that willows cause.
Which of these species is a keystone species?
A. willows
B. elk
C. bears
D. wolves
Answer:
B. the sun
B. prairie cordgrass
A. Around 10% of the energy is transferred to support the next trophic level.
C. tertiary consumers
D. wolves
Explanation:
I just did it.
1) The primary source of energy in most ecosystems is; Option B; The Sun
2) An autotroph in a grassland ecosystem is; Option B; prairie cordgrass
3) The statement that best explains why there are fewer secondary consumers than producers is; Option A; Around 10% of the energy is transferred to support the next trophic level.
4) The tropic level that ingests the most biomass in order to receive the energy they need is; Option C; Tertiary Consumers
5) The species among the given ones that is a keystone specie is;
Option D; Wolves
1) The primary source of energy in virtually all ecosystems is solar energy from the sun. This solar energy is used by photoautotrophs to prepare food. Meanwhile all other organisms are usually dependent on autotrophs for their food.
2) An autotroph is defined as an organism that can produce its own food using light, water, carbon dioxide e.t.c. Therefore, they are called called producers. The only autotroph in the options is Prairie Cordgrass.
3) There are fewer secondary consumers than primary consumers due to the fact that for secondary consumers to be alive, they need to eat a lot of primary consumers. Thus, it means a percentage of the energy which is believed to be around 10% is transferred to support the next autotrophic level.
4) From the given options, the trophic level that ingests the most biomass in order to receive the energy they need is called Tertiary consumers.
5) A keystone specie is a type of specie defined as an organism that helps to determine an eco system. Which means if it is taken out of an eco system, all others are affected. In this example given, the keystone specie is clearly Wolves.
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Explain the difference between the offspring of sexual
reproduction and the offspring of asexual reproduction.
Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent. Sexual reproduction involves two parents and produces offspring that are genetically unique. During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote.
Why would athletes use sets and reps in their training sessions?
Answer:
Athletes use sets and reps in their training because they need to know the exact amount of training they need to do because too much and too little is bad.
Explanation:
glucose is a ________ which serves as a source of energy for cells
Answer:
a carbohydrate i think...hope this helps though:)
Explanation:
I need help immediately
Answer:
I think it's C
The chromosomes in the nucleus of a cell contain a code known as_______.
A. RNA
B. mitosis
C. meiosis
D.DNA
Answer:
dna
Explanation:
Answer:
D
Explanation:
Hope this helps
Have a great day
Paurelia
POPULATION SIZE
_ caudatum
2
4
6
8
JO
12
14
16
The graph here shows the population growth curves of Paramecium aurelia and
Paramecium caudatum cultures after they were mixed together. This graph can be used
to illustrate the principle of:
Answer:
mutualism
Explanation:
cuz
Physical exchange between homologous chromosomes (crossover) occurs during metaphase I of meiosis. true false
Answer:
False
Explanation:
Crossing over is a phenomenon unique only to the process of meiosis. It is the process whereby a segment of genetic material is exchanged between the non-sister chromatids of homologous chromosome (similar but non-identical chromosomes from both parent).
Crossing over occurs when homologous pairs lie side by side to form a structure called TETRAD in the PROPHASE I stage of meiosis. Hence, according to this question, it is FALSE as crossing over does not occur in the metaphase stage.
Select the correct answer. Where does most of the world's population tend to settle? A. near mountain valleys B. wherever the herds move C. near bodies of water D. far from potential flood zones
Answer:
the correct would be d your welcome
3)
****
The picture shows the process of asexual reproduction in hydra. According to the illustration, all offspring are
-
ning
-19
A) genetically varied.
B)
genetically identical to the parent.
slightly similar to the parent.
D)
genetically very different from the parent
Answer:
There is no illustration, but the question can be answered based on general understanding of reproduction. The answer is:
B) genetically identical to the parent.
Explanation:
Reproduction, which is the process by which organisms produce their offsprings, can be done in two major ways namely: sexually and asexually. The asexual reproduction involves only one parent that undergoes division to form two daughter cells.
Since there is no exchange of genetic material between two parties as it involves only a single organism, the offsprings will be GENETICALLY IDENTICAL to the parent cell. This is the case of Hydra in this question that underwent asexual reproduction. All of the offsprings of this mode of reproduction will be GENETICALLY IDENTICAL i.e. have the same genetic composition as their parent.
How do lions feed and what type of behaviors do they utilize to obtain food?
Answer:
How the lion feeds: the female lions are called Lionesses they are the members in a pride that hunt, the male Lion just waits for the lionesses to kill the prey and then feeds on it for however long he wants to. The lionesses eat last.
What behaviors they use to obtain food: Lions stalk their prey, although ambush behavior has been observed. They hunt mainly during the evening and at night. You can still find the behavior/ instinct in house cats (stalking/ ambush like movements)
Explanation:
Hopefully this helped :)
can u please give me Brainiest
This is for science
Answer:
Physical adaption
Explanation:
Physical adaptations are being described. Therefore option A is correct.
The observations described in the table refer to physical adaptations in birds.
Physical adaptations are structural or anatomical features that have evolved over time to help organisms better survive and thrive in their environments.
In the case of bird dissection, the observed features such as hollow bones, lungs, flight muscles, and fused bones are all physical traits that aid in the bird's ability to fly.
Hollow bones reduce the bird's overall weight, making flying easier. Well-developed flight muscles and fused bones enhance the bird's ability to generate lift and support its body during flight.
These physical adaptations are crucial for birds' survival and successful adaptation to their aerial lifestyle.
Therefore option A is correct.
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