Answer:
A
Explanation:
Some materials reflect light waves.
what else is missing from this equation that a plant needs in order to do photosynthesis
Answer:
The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2.
Explanation:
This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products
The equation of photosynthesis is 6 CO₂ +6 H₂O[tex]\rightarrow[/tex] C₆H₁₂O₆ + 6 O₂ in the chemical form.
What is photosynthesis?
It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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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:
Meiosis is a process used by many organisms but not all organisms. What organisms or
habitats would make mitosis a better reproductive option than meiosis?
Meiosis does not occur in archaea or bacteria, which reproduce via asexual processes such as mitosis or binary fission. ... Because the chromosomes of each parent undergo genetic recombination during meiosis, each gamete, and thus each zygote, will have a unique genetic blueprint encoded in its DNA.
21. Describe three ways in which plants can be
propagated artificially.
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.
PLEASE ANSWER NEEDED FAST!! WILL MARK BRAINLIEST
Genes are found on specific spots of DNA.
O True
O False
Answer: true
Explanation:
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.
1
All organisms need instructions to specify their traits. The instructions, or code, that is responsible for all the inherited traits of an
organism
A.is passed from the offspring
B.is formed after an organism
C.is held in genetic material called DNA
D.is stored within the mitochondria of cells
Answer:
C
Explanation:
In all organisms, the instructions for specifying the characteristics of the organism are carried in DNA, a large polymer formed from subunits of four kinds (A, G, C, and T).
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.
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:
glucose is a ________ which serves as a source of energy for cells
Answer:
a carbohydrate i think...hope this helps though:)
Explanation:
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
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
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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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
Deciduous trees, such as maple and elm trees, regularly drop their leaves in a response to a change in the environment.
What event causes deciduous trees to do this?
A.
long-term changes in climate
B.
seasonal changes in the amount of daylight
C.
monthly changes in amount of precipitation
D.
daily changes in air pressure
Answer:
seasonal changes in the amount of day light
ans
What is the role of these bacteria in the nitrogen cycle
Answer:
Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to nitrogen gas
Explanation:
The entire collection of genes within human cells is referred to as the _____________________________.
A. Transgenic organism
B. Human genome
hELp‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️
As the latitude increases in the Earth's Northern Hemisphere, describe how the temperature changes. (Ex: As the latitude increases in the Northern Hemisphere, the temperature increases/decreases.) *
Answer:
As latitude increases it gets colder and can even snow.
Explanation:
Alright here's the basic explanation. As your latitude increases the colder/snowier it will be and the lower latitude will have warmth, and a lot of sun.
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:
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:
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
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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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:
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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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
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:)
I need help immediately
Answer:
I think it's C
(carbohydrates, lipids, proteins, and nucleic acids). How does form and function
relate to enzymes?