The correct answer is option D all of the above.
Biodiversity refers to all the life forms that exist in an area including plants, animals, and humans. It is important to preserve biodiversity because man is dependent on nature for food, shelter, fuel, and everything.
Biodiversity can be preserved by:
a) By preventing deforestation - Trees are home to a large number of birds and animals. Trees help in maintaining the balance in the ecosystem.
b) By protecting species - In nature each specie has a specific role and is interconnected to other species. Protecting the species is the most important aspect of the preservation of biodiversity.
c) By reducing waste - Reducing the waste will create a cleaner and safer environment for all organisms to thrive in thus protecting biodiversity.
Therefore all the above options are correct.
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the female part of the plant is called the
A. stamen
B. pistil
Answer:
B
Explanation:
Answer:
the correct answer is B. pistil
Which physical property of a medium is defined by how close the particles of the substance are to each other?
Answer:
The question is not complete as the options are not given, here are the options gotten from another website.
A) Crest.
B. trough.
C) density.
D) amplitude
The correct option is C.
Density.
Explanation:
This is because density of a particle is measured or define as the mass or weight of a particle divided by it's volume. This is a physical property which is determined through it's mass and volume, it illustrate how particles are closer or tend to move bearer to each other through it's mass and volume.
Which of the following ALWAYS contains organic carbon?
O A. carbon compounds in certain rocks
O B. carbon compounds in the atmosphere
C. carbon compounds in ocean water
O D. carbon compounds in living organisms
The human hands and feet have similar types and numbers of bones. However, hands and feet are very different in their appearance. What physical differences do you notice between the hands and feet? How might these differences relate to differences in the function of these body parts? Would you expect other primates to have hands and feet differently like this? Why or why not?
Answer:
Hands have a larger range of dexterity compared to feet. Longer tendins and stronger grip strength, they are made for more intrucite tasks such as making and using tools. Feet have a larger surface area, made for holding large amount of weight, shorter bones and tendins allow for easy acceleration and no extra flesh to get in the way. Other more primitive species will not have the feet we have due to evolution. They simply do not have the evolved sense of brain pwer hians haev in order to make tools. So they have more need for speed, grip exc. in feet to escape pradators and live day to day. Where on the other hand humans do not.
Explanation:
The metatarsals that can be found in the foot are larger than the metacarpal bones that are in the hands.
It should also be noted that the phalanges of the hand are larger than that of the foot. The way that the metacarpal of the thumb is built is vital for mobility and movement.
Primates have hands and feet that are different from that of humans because they use their hands and feet for grasping. They also have strong clavicles and flexible shoulder joints. This enables them to climb and grasp things firmly.
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Which of the following increases genetic variation by forming entirely new alleles?
Natural selection
Genetic drift
Mutation
Gene flow
Answer:
gene flow
Explanation:
type of gene flow
How can scientific conclusions be reliable, but also able to be changed with the introduction of new evidence
Answer:
scientific conclusions are reliable as they are helpful for many things however it is true that after the evolution of new ideas the old theory have some changes or may change fully or may be proved wrong but yeah the old theories are still helpful for many reasons and things.
so I think scientific conclusions are reliable
What is the type of relationship between a rabbit and a leopard?
Answer:
Prey and Predator
Explanation:
rabbit is the prey and leopard is the predator
Answer:
Parisitism.
Explanation:
Im pretty sure the answer is parasitism because the Leopard would feed on the rabbit, meaning the leopard benifits while the rabbit would be harmed.
Which is a characteristic of something in the domain archaea?
A: Can not live in an extreme environment
B: Multicellular
C: membrane-enclosed organelles
D: No cell nucleus
Question 2 of 6 Which two pieces of data could indicate that a volcano is about to erupt? A. An increase in temperature near Earth's surface B. A change in the types of gas detected in the air OC. A drop in average air temperature in one region D. A decrease in the ocean level near a mountain range.
HELPP ME PLZZZZ
Answer:
A is the correct answer.
What struggles do aquatic organisms have that terrestrial ones do not?
If you are not going to actually answer the question don't even bother.
Answer:
Aquatic animals can be found in water habitats, which can be either fresh or marine. Terrestrial animals can be found exclusively in the land. Aquatic animals respire through gills or their skin. ... The main difference between aquatic and terrestrial animals is their habitat and modes of living
Explanation:
Answer:
being destroyed easily
Explanation:
aquatic organisms are faced with lots of challenges,,,eg.....oilspillage on water bodies,this prevents entry of oxgen into water hence suffocation leading to death,also growth of weeds such as water hyacinth which suck nutrientss and oxygen from water,,,also aquatic krganisms are hunted by lots of predators compared to that of terrestrial
the earth requires 24 hours for one rotation. so in 24 hours how many longtitudes will face the sun?
Answer:
The sun would observe 15 degrees of earth's longitude.
The nucleus contains genetic information which controls and gives the cell _________________ about what to do.
Answer:
please give me brain list and follow
Explanation:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
what do we call the actual gas or substance that causes air pollution?
Answer:
The actual gas that causes air pollution is called a pollutant
Explanation:
Air pollution is the decrease in air quality. Air pollutants are the gases that cause air pollution.
What are pollutants?Pollutants are harmful substances and particles that affect the quality of the environment and are man-made or natural. Fly ash from volcanic eruptions is a natural pollutant that deters the air quality.
The air pollutants like carbon monoxide, sulfur dioxide, and carbon dioxide released from the burning of fossil, coal, and vehicles alter the air quality and result in a change in weather conditions.
Therefore, the pollutants are the actual gases that cause air pollution.
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Select the false statement about the effect of lymphopenia on the immune response following administration of immunosuppressive drugs like the corticosteroids. Select one: a. The immunosuppressive effect (lymphopenia) occurs 4 to 6 hours following drug administration and significantly reduces the number of circulating lymphocytes in the blood. b. Lymphopenia decreases the ability of lymphocytes to initiate and participate in an immune response. c. Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen. d. None of these are false.
Answer:
The correct answer is option C (Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen).
Explanation:
Lymphopenia occurs when the white blood cell count in the bloodstream of an individual that defends the body from a harmful attack is lower than normal this could be due to different reasons, maybe the body has been previously invaded by viruses, bacterias or diseases that have already weakened the immune system, or the body is under siege from a prolonged illness. The white blood cell counts may be very low or severe which rightly indicates all is not well with the body.
Corticosteroid drugs are usually used to treat inflamed areas of the body and they cause those special defensive white blood cells in the blood cell count to be channeled effectively to the bone marrow.
White blood cells, bone marrow, spleen, are examples of lymphoid tissue and cells which support the way the immune system responds to attack.
Corticosteroids don't increase the amount of lymphoid tissue and cells in the lymph nodes and spleen when immunosuppressive drugs like corticosteroids are used for individuals with lymphopenia.
Which statement is an example of variation within a species? picture attatched.
A. Birds have wings, and so do butterflies.
B.Some squirrels are gray, and others are brown,
C.A lion roars and so does a tiger.
D.Dinosaurs are extinct but we know that they existed because of fossils.
Answer: B
Explanation: The other answers are talking about similarities among different species.
an adaption that helps an organism blend in with the environment is called
I believe the correct answer is camouflage. The ability to blend into an animal’s environment.
Hope this helps!
What are the collecting chambers of the heart? What are the pumping chambers of the heart?
What are the collecting chambers of the heart? What are the pumping chambers of the heart? The heart is made up of four chambers. The upper chambers are the called atria and act as the receiving chambers. There are four valves within the heart, which help control the direction of blood flow. Blood low in oxygen returns from the body and enters the right atrium. The lower chambers are called ventricles; these are the pumping chambers. I really hope this helps!! Have an amazing day <3
The picture above shows some of the organs of the human body. Which organ does the letter W point to?
A.
liver
B.
pancreas
C.
lung
D.
heart
How many stages of development take place in incomple metamorphosis? A.two B.three C.four D.five
Answer: isnt it C. four
Explanation:
if you are hiking and find fossils, can you dig them up
Answer:
thanks for the points May God bless you always
What changes in the ecosystem will take place during secondary succession?
Explanation:
Secondary succession occurs as result of a disturbance that greatly alters an ecological community. Fires, storms, floods and removal of timber by humans can cause either the complete or partial destruction of vegetation. The availability of resources affects species diversity for each trophic level undergoing secondary succession.
Explain why both unisexual and bisexual flowers can self pollinate.
Answer:
Bisexual flowers:
In order to make a new seed male gamete present in a pollen grain units with the female gamete present in the ovule.
Unisexual flowers:
Unisexual flower can self pollinate where both male and female flowers are present on the same plant. Stigma of the female flower can be pollinated by the pollen of the male flower present on the same plant.
Which of the following does the ocean provide?
Question 1 options:
Over half the oxygen we breathe
Climate regulation
Pollution
Food and medicine
Answer:
Over half of the oxygen in the worldClimate regulationFoodThe ocean provides benefits to the whole world in many forms like over half the oxygen we breathe Climate regulation and Food.
The air we breathe: The ocean produces over 1/2 of the world's oxygen and absorbs 50 instances greater carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the sea transports warmness from the equator to the poles, regulating our weather and climate patterns. One of the primary offerings furnished via way of means of the oceans to human societies is the provisioning carrier of meals from seize fisheries and culturing operations. What is the ocean used for?The oceans have lengthy been used as a platform for delivery and communications. They additionally offer residing sources for meals (fisheries and aquaculture) in addition to pharmaceutical, biotechnology, and genetic products.
Thus it is clear that the ocean provides Over half the oxygen we breathe
Climate regulation and Food.
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The vascular tissue of a plant transports various substances. Which substance would you expect to find in phloem, but not in xylem? a. Glucose b. Iron c. Potassium d. Water
While xylem transports water and mineral salts up from the roots to various parts of the plant, phloem transports sucrose and amino acids between the leaves and different parts of the plant. Thus, option D is correct.
What is the function of xylem and phloem?Water and dissolved minerals are distributed upward through the plant by the xylem, from the roots to the leaves. The phloem carries nutrients from the leaves to the roots.
The vascular cambium gives rise to xylem, vascular tissue that moves nutrients and water throughout the plant.
The vascular tissue known as phloem, which carries big molecules like sugar, develops outward from the vascular cambium. Increased xylem and phloem cells are produced when the vascular cambium cells divide.
Therefore, water is the substance that you expect to find in phloem.
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What type of cells are produced at the end of meiosis?
Answer:
haploids i think
Explanation:
sorry if its wrong!
13. List the advantages of glycolysis.
If oxygen is present...
Answer:
Although glycolysis doesn't require oxygen, the fate of the pyruvate molecules depends on whether oxygen is present. If oxygen isn't available, the pyruvate is converted to lactate, and no additional ATP is produced from this conversion. If oxygen is present, the pyruvates are transported into the mitochondrial matrix.
Explanation:
A food web shows how energy moves from one organism to another in an ecosystem. Students in a life science class created a diagram demonstrating a food web.
Based on the food web, which of these organisms receives its energy directly from a primary consumer?
Caterpillar
Dandelion
Frog
Grasshopper
Answer:
If you don't have a picture of the food web, I'm not sure but it's A or D
Precipitation in Jacksonville (1961-1990
True or false
Answer:
your answer is true I believe
Answer:
True it is the precipation in Jacksonville 1961 to 1990
What happens when an electric charge moves?
Answer: The movement of a static charge out of an object is known as static discharge. When a charge moves, it transfers energy that can be used to do work. ... The attraction of the unbalanced electrons in the first object to the unbalanced protons in the second object can cause the electrons to move to the second object.
HOPE THIS HELPS
When soil first forms over bare rock, what is it made of?
Answer:
Explanation:
Weathering and erosion produce ever smaller rock particles which,
when mixed with dust and decayed organic matter over time ,
result in different types of soil .
Soil is formed by the process of weathering. The soil is the uppermost layer of the surface of Earth. The first formed soil contains pieces of rocks and other particles.
What is Soil?Soil is the uppermost thin layer of material covering the earth's surface. It is formed from the weathering of large rocks. It is made up of mineral particles, organic materials, air, water and living organisms like bacteria.
The lichens are the pioneer species which invade the bare rocks and convert them into soil. They secrete acids which dissolve the rocks. This helps in their weathering and formation of soil. Mosses grow on the rocks along with the lichens to form a mat over the substratum.
Under the action of factors like heat, cold, rain, wind, and other atmospheric factors, the rock breaks down physically into the parent material of the soil.
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