Answer:
Oxygen absorbs harmful UV radiation, ozone helps living things release energy from food.
Explanation:
This because oxygen is release during photosynthesis which is use for cellular respiration. During cellular respiration oxygen is absorbed which breakdown food substances to release energy.
While ozone is a layer in the atmosphere that has ability to absorb harmful UV radiations preventing from getting into atmosphere.
Answer:
Oxygen is produced by photosynthesis; ozone is not.
Chromosomes are
A: DNA strands that become visible during cell division
B: the control centers of cells
C: the thick, fluid material surrounding the nucleus
D: the basic units of structure in living things
Answer:
A
Explanation:
Each chromosome contains a single double-stranded piece of DNA along with the aforementioned packaging proteins. Chromatin condensation begins during prophase and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis
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Model the reflection of a light wave.
1.
Choose a material that will reflect light.
2.
Create a diagram that represents a light wave being reflected.
3. Label your diagram "Light Wave Reflected."
4. Below the diagram, write a brief description of the interaction between the wave and the
material. Be sure to discuss the angle of incidence, the angle of reflection and the normal.
Also explain how the amplitude and frequency of the wave are affected.
When waves of light (and other electromagnetic radiation) come into contact with a surface or other boundary that does not absorb the radiation's energy, the waves bounce off the surface and back into space.
What is Light wave?The simplest instance of visible light reflection is a smooth pool of water's surface, where incident light is orderedly reflected to provide a clear image of the landscape around the pool.
When you throw a rock into a pool, it disturbs the water and causes waves, which prevent reflection by spreading the light rays in all directions.
The incoming light wave is referred to as an incident wave, and the wave that is bounced away from the surface is termed the reflected wave. Visible white light that is directed onto the surface of a mirror at an angle (incident) is reflected back into space by the mirror surface at another angle (reflected) that is equal to the incident angle, as presented for the action of a beam of light from a flashlight on a smooth.
Therefore, When waves of light (and other electromagnetic radiation) come into contact with a surface or other boundary that does not absorb the radiation's energy, the waves bounce off the surface and back into space.
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How Jackrabbit controls his body temperature through his capillaries?
What is the name of this defense mechanism
A- antibody production
B- egestion
C- phagocytosis
D- vaccination?
what are 8 possible blood types
Answer:
A+ ,A-,B+,B-,O+,O-,AB+,AB-
A rabbit's coat color is
determined by a single gene
that has at least four different
alleles. What is a rabbit's coat
an example of?
A. codominance
B. incomplete dominance
C. Multiple alleles
Answer:
c
Explanation:
Drag each technology to the correct location on the table. This map shows three areas that are prone to natural hazards. Match each technology the area most likely to find it helpful.
Answer:
1. What do you mean by Multiple Hazard Mapping (MHM)? (2 marks). 2. ... How are the information to be compiled for Multiple Hazard Mapping (MHM) (5 marks). 9. ... When an area is exposed to more than one hazard, a Multiple Hazard Map (MHM) helps the planning team to analyze all of them for vulnerability and risk.
Explanation:
Answer:
Florida is close to the Atlantic Ocean, so it is prone to hurricanes. Technologies that can help Florida include hurricane shutters for windows and satellites that detect air movement over the ocean. Kansas is landlocked and is in the infamous Tornado Alley. The Warn-on-Forecast tool and safe rooms built in basements would be useful in this area. California is close to the Pacific Ocean and regularly suffers from drought. Water conservation devices and desalinization plants would be helpful in this region.
Explanation:
What inference can be made from the phylogenetic tree?
Choose 1 answer:
Species A was probably much larger than any of the other organisms.
B
Species G is extinct.
С
Species F and G are more closely related than species B and E.
Species C is the most recent common ancestor of species B and D.
Inference from phylogenic tree is:
Species A was probably much larger than any of the other organisms.
What is phylogenic tree?
A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.
What can phylogenetic trees tell us?
A phylogenetic tree can help trace a species back through evolutionary history, down the branches of the tree, and locate their common ancestry along the way.
Hence ,option A is correct
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True or false: Predators of one species can never be prey to another species.
A. True
B. False
Which correctly pairs this structure with
what its made from?
A. Chromosome: DNA & Protein
B. Centriole: DNA & Protein
C. Centromere: Protein & Fat
D. Centriole: DNA & Sugar
Answer:B. Centriole: DNA & Protein
Explanation:
Answer:
B.
Explanation:
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As the nutritional energy passes through the food chain, energy......
O a) is gained
b) decreases
c) remains constant
d) increases, then decreases
Answer:
B. Decreases
Explanation:
In an ideal food chain, nutritional energy from producers (plants) are transfered to other animals at different levels on the food chain. As nutritional level is being passed from one level to another, most of the nutritional energy is lost in the process. Therefore, energy decreases as the nutritional energy passes through the food chain.
Darwin noticed the beak of finches on each Galapagos Island were slightly different and matched the food found on each island. They were all different than the finch beaks on the nearby South American coast. All
around the world we see slight variations of organisms based on their
environment. This evidence for evolution is called
biogeography.
embryology.
fossils.
Anatomy.
molecular
4 Which of the following is the importance of
mitosis?
manakah adalah
Answer:
It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells.
Explanation:
a. Design a meal that uses four different types of plant foods, two different types
of animal foods, and one food that relies on fungi, algae, or bacteria. How does
the management of natural resources determine whether your meal will be
available? (1 point)
b. If our forest supplies are used up faster than they are replenished, what
products could be missing or hard to get in our society? (1 point)
c. There are many materials humans use that are produced from plant or animal
material. List at least three examples in each box. One square is provided for you.
(1.5 points)
Answer: Humans are dependent on animal and plant based products for survival.
Explanation:
a. Pizza: My meal is pizza which contains the plant and animal based foods. Plant foods include vegetables like tomato, capsicum, corn, and onion. The two animal based foods used in this will be chicken meat and swine meat. The pizza dough requires yeast to attain a desire puff, yeast here is a fungal strain. The resources required for preparation of pizza are easily available as they are replenishable renewable natural resources. These are available in farm, food market, and butcher shops easily. The plant based foods will grow with the help of seeds and animal based food will be available by breeding in farms.
b. The forest reserves are rich source of renewable natural resources like wood, plant based food, medicines, and other products. If forest reserves are not replenished then the need of these products will increase due to scarcity.
c. Plant: Clothes, furniture, medicines, food, and others.
Animal: Clothes (jute, silk), tools from animal horns, decorative item from elephant ivory
Alga mikroskopik
bersaiz
...
..
Answer:
Mikroalga adalah alga mikroskopik, biasanya terdapat di sistem air tawar dan laut. Mereka adalah spesies uniselular yang wujud secara individu, atau dalam rantai atau kumpulan. Bergantung pada spesies, ukurannya boleh berkisar antara beberapa mikrometer (µm) hingga beberapa ratus mikrometer.
Explanation:
what in the complementary DNA strand ATGCATTAACCCGGGATC
Answer:
TACGTAATTGGGCCTAG
Explanation:
A goes with T, C goes with G
Describe short-term change.
Answer: very fast environmental changes that affect organisms quickly
Explanation:
3benefits of including roughages in the diet of humans
2. Why can't sea stars live in terrestrial environments?
Due to lack of certain features, sea stars can't live in land environment.
Why can't sea stars live in terrestrial environments?Sea stars can not live in terrestrial environments because of the body structure which is fit for water not land environment. Every organism has special features that allows it to live and survive in that specific environment.
So we can conclude that due to lack of certain features, sea stars can't live in land environment.
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The theory of natural selection occurs in 4 steps. Overproduction, Variation,
Selection, and what else?
Most successful parasites, such as a cat flea, weaken their host but do not kill it. Why is killing its host usually disadvantageous for a parasite?
Question 4 options:
Relatives of the host would then attack the parasites.
Lysosomes from the host would then attack the parasite.
If a parasite kills its host, it will then have to find a new host in order to survive.
Parasitism is a relationship where both organisms benefit; killing the host is not beneficial to the host.
Answer:
The correct answer is - If a parasite kills its host, it will then have to find a new host in order to survive.
Explanation:
Parasites are organisms that depend on other organisms for their food and energy in order to survive. The organism that they depend on is called their host. In this only parasites get benefitted while hosts are harmed.
Although parasites harm their hosts, parasites tend to not kill the host as its best for them so they do not have to find another host and again establish control on the host's body and body functions, for their survival.
2.4 State two reasons why the fern plants are able to
greater heights than the moss plants.
(2)
Coll
19)what is an underground stem
Answer:
Explanation:
This is because ferns are vascular plants i.e they have vascular tissues which are xylem and phloems which help to conduct water and nutrients while mosses are non vascular plants.
2. Ferns sporophytes are differentiated into true leaves, stems and true roots while mosses lack true roots, stems and leaves.
Underground stems are modified part of plants that are derived from stem tissues which grow under the ground. Underground stems grow beneath the soil. Examples include Rhizomes, ginger, tubers e t.c.
describe the flow of blood (ex. from the body, to the body, from lungs to lungs) and name the chambers of the heart and other important parts.
Answer:
Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary arteries and eventually to tiny capillary vessels in the lungs
Explanation:
Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary arteries and eventually to tiny capillary vessels in the lungs
What are Life processes?
Answer:
the process which includes as growth, differentiation, respiration, digestion, and excretion during their life time is life process.
Answer:
Growth, differentiation, respiration, digestion, and excretion are life processes.
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What effects do genetic mutations have on the survival of a species?
how would an increase in oxygen affect cellular respiration?
Answer: During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.
Explanation:
please help me answer 4-9 please
Answer:
decomposers are organisms that break down dead matter in an ecosystem.
8. in the process of photosynthesis.
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what is the end process of mitosis
Answer:
Mitosis ends with telophase, or the stage at which the chromosomes reach the poles. The nuclear membrane then reforms, and the chromosomes being to decondense into their interphase conformations. Telophase is followed by cytokinesis or the division of the cytoplasm into two daughter cells.
Explanation:
Segment A represents
no acceleration
negative acceleration
positive acceleration
PELASE HURRY IM TIMED
Answer: positive acceleration
Explanation: