PLEASE HELP!!
Match how far back in the earth's climate history we can learn about from each proxy.
Clam shells
Ice cores
World's oldest rocks
Tree cores
Ocean sediments
1. 150 million years ago
2. 800,000 years ago
3. 10,000 years ago
4. 200 million years ago
5. 3.8 billion years ago
Answers
These changes can be natural, such as through variations in the solar cycle.
Climate historyClam shells
2. 800,000 years ago
Ice cores
1. 150 million years ago
Oldest rocks in the world
5. 3.8 billion years ago
Tree cores
3. 10,000 years ago
Ocean sediments
4. 200 million years ago
With this information we can conclude that these changes may be natural, such as through variations in the solar cycle. But since 1800, human activities have been the main driver of climate change, mainly due to the burning of fossil fuels like coal, oil and gas.
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Related Questions
The cell membrane is described as being fluid because:
A. the phosphate groups move between fatty acids.
B. the membrane lets materials pass through it.
C. the fatty acid chains are inside it.
D. the phospholipids move from side to side.
Answers
Answer:
B. the membrane lets materials pass through it.
Since the cell membrane is semi permeable in nature.
the membrane lets materials pass through it.
How is the goal of evolutionary classification different from linnaean classification.
Answers
Answer:
The goal of evolutionary classification
Explanation:
The goal of evolutionary classification is to group species into larger categories that reflect lines of evolutionary descent, rather than overall similarities. The goal of linnaean classification is to group species into larger categories based on physical characteristics
Bacteria can reproduce quickly by means of binary fission. Because of this, after binary fission....
A) the offspring will have traits of both parents.
B) there is genetic variation among the offspring.
C) all the offspring will be genetically identical.
D) none of the offspring will be genetically like the parents.
PLEASE HELP
Answers
Answer:
option C) All the offspring will be genetically identical
Answer:
yoo u added me as a friend ik this isnt an answer srry
Explanation:
Over the past 100 years, Earth ’s average surface temperature has gradually increased, causing minor climate changes in areas across the world. Scientists are worried that these climate changes will lead to the extinction of many species.
Briefly explain “why fast climate change would cause extinction.”
Answers
Answer:
Fast climate change would alter the environment and ecology making it difficult to survive then extinction
Explanation:
When the climate change becomes fast there will not be enough time for adaptation and survival rate will nosedive leading to extinction of species
Enzymes are needed to digest food correctly. Which cell part needs to be functioning correctly for the enzymes to be present?
A. Lysosome
B. Cell wall
C. Vacuoles
D. Ribosomes
Answers
Answer: d ribosomes
Explanation: Ribosomes help make protein which helps make enzymes
Results of Mitosis: Select ALL that apply
cells are identical
cells are diploid
Cells are haploid
cells are not identical
Answers
Answer:
A - Cells are Identical
B - Cells are diploid
Hope it helps!! :D
The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _______. A. Mangrove forests are unproductive, unhealthy habitats b. People did not feel it was necessary to preserve them c. Mangrove forests do not need to be preserved d. All of the above Please select the best answer from the choices provided A B C D.
Answers
The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because people did not feel it was necessary to preserve them.
What are mangrove forests?Mangrove forest are forest of plants and trees that grows in coastal areas or back water.
These forests grow in an area where there is low oxygen, soil is present.
They are very important plants for the environment.
Many animals are dependent on these forests.
The correct option is b.
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Answer:
b. People did not feel it was necessary to preserve them
Explanation:
7. The diagram below represents a plant cell.
А
y
Which process takes place in structure A?
A) cellular respiration B) photosynthesis
C) digestion of fats D) protein synthesis
Answers
Answer:
B
Explanation:
photosynthesis is represenyt as plant cell
Why does a phospholipid on the cytoplasmic side of the cell membrane rarely flip to the extracellular side if both environments are polar?.
Answers
Which two human body systems need to coordinate to move food through your body?.
Answers
Answer:
The Digestive System absorbs nutrients from food and delivers them to the bloodstream, where the Circulatory System transports them to their destination. Filters waste from meals and transports it through the intestines and out of the body.
Explanation: Answer above
Which of the following correctly compares the desert and the swamp environments correctly?
A desert is hotter than a swamp because it receives more sunshine.
A desert is wetter than a swamp because of its proximity to water bodies.
A swamp is hotter than a desert because it is closer to the equator.
A swamp is less humid than a desert because of its higher elevation.
Please help :D
Answers
Answer:
A desert is hotter than a swamp because it receives more sunshine.
Explanation:
hope this helps
pls mark as brainliest
Answer:
A desert is hotter than a swamp because it receives more sunshine.
Explanation:
HELPP ASAPPwhat are the lasting impact of bottleneck effect
Answers
Answer:
In turn, a population bottleneck reduces the number of alleles in the gene pool, resulting in less genetic diversity for that population or species in the long term.
Explanation:
Some insect species are resistant to pesticides. Which statement BEST explains this phenomenon? Natural selection resulted in an unfavorable variation for the insects. Because their survival depended on it, the insects developed variations that made them resistant to poisons. Random variation in the population led to a population with a favorable adaptation. Some of the insects became instantly immune when the poisons were introduced into their environment
Answers
Answer:
Random variation in the population led to a population with a favorable adaptation
Explanation:
Insecticide resistance can be defined as an evolutionary process that causes a decreased susceptibility of an insect population to a particular insecticide. The evolution of the insecticide resistance occurs by the mechanism of natural selection, where most resistant insects survive and thus pass on their acquired heritable resistance to their offspring. Moreover, the evolutionary origins of the resistance trait may be associated with different processes: 1-de novo mutations (i.e., the emergence of beneficial genetic changes in the population), 2-standing variation in the original population which is selected under the selective agent (in this case, the pesticide), 3-migration of resistant specimens originally resistant to the pesticide, and 4-even interspecific transfer (i.e., horizontal transfer between different species).
What is the difference between a benign tumor and a malignant tumor? View Available Hint(s)for Part A Benign tumors will not kill you; malignant tumors will. A benign tumor is a mass of essentially abnormal cells; a malignant tumor is an abnormal mass of essentially normal cells. Benign tumors do not metastasize; malignant tumors do. Benign tumors metastasize; malignant tumors do not.
Answers
Answer:
These cells can form a mass called a tumor. A tumor can be cancerous or benign. A cancerous tumor is malignant, which means that it can grow and spread to other parts of the body. A benign tumor means that the tumor can grow, but it will not spread.
Which has the greatest number of mitochondria a blood, epidermal, cardiac, or nerve cell.
Answers
Answer:
Cardiac cells
Explanation:
PLEASE HELP!! Brainliest for right
Answers
Answers:
1. Gastrocnemius
2. External Obliques
3. Tibialis Anterior
4. Gastrocnemius
5. Gluteus, Gastrocnemius
6. Biceps, Triceps
7. Sternocleidomastoid
8. External Obliques, Rectus Abdominis
9. Deltoid, Pectoralis
10. Latissimus Dorsi
11. Rectus Femoris, Sartorius
12. Trapezius, Triceps
Explanation: Took human anatomy! These are the major muscles.
Give all the possible gamete combinations that a fish with genotype (GgLl) can create due to independent assortment.
A green fish (G) is dominant to a yellow fish (g) and long fins (L) are dominant to short fins (l).
A - Gg, LI
B - GG, Gg, LL, LI
C - GI, gI
D - GL, GI, gL, gI
Answers
The possible gamete combinations for the genotype GgLl are GL, GI, gL, gI (Option D).
What are gamete combinations?Gamete combinations make reference to the different types of allele combinations during meiosis.
Gamete combinations is produced due to the independent separation (assortment) of chromosomes.
Gamete combinations are fundamental to increasing genetic variation by the process of fertilization.
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Incineration is one solution to reduce the volume of municipal solid waste. Municipal solid waste can be used to produce energy at waste-to-energy plants. Based on the data in the graphs, which of the following materials would be best suited for incineration to reduce total volume, produce energy, and have minimal release of air pollutants?.
Answers
Wood materials would be best suited for incineration to reduce total volume and produce energy. They have minimal release of air pollutants.
What are wood materials?Wood materials refer to all materials and chemical substances obtained from the growth of higher plants (i.e. trees).
These wood materials are the most suitable to be incinerated in terms of the generation of calories (energy).
Wood materials also are suitable in ecological terms due they release a minimal amount of contaminants into the atmosphere.
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HELP ASAP I GIVE BIG BRAIN Why does the mitochondrial gene tree suggest a later split?
Answers
The mitochondrial gene tree suggests a later split because it occurred hybridization later in time, with the transference of the brown bear mitochondrial genetic information to the polar bear population. So the mitochondrial gene tree exhibits a later divergence.
What type of cell transport is shown in the figure below?
Facilitated diffusion
Active transport
Endocytosis
Simple diffusion
Answers
The type of cell transport which is shown in the figure in question is Facilitated diffusion. The diffusion in this transport is carried out with the help of a protein such as carrier protein or channel protein. Thus, the correct option is A.
What is Facilitated diffusion?
Facilitated diffusion is a type of diffusion where the movement of solute and solvent particles takes place from the region of higher concentration to the region of lower concentration.
The cell membrane is selectively permeable in nature as it allows the movement of selected substances through it. The molecules which are impermeable such as large, charged polar molecules cannot cross the membrane on their own and hence requires a protein which facilitates their movement. Thus, for this purpose the carrier and channel proteins which are present in the membrane facilitate this diffusion of substances.
Therefore, the correct option is A.
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how do the mutations compare to the original
Answers
Answer:
Mutations are caused by a variation in the DNA sequence. This may cause a change in the protein it codes for resulting in a mutation.
Explanation:
There may be a different base, an extra base or be missing a base.
How do sea otters keep from drifting apart while they sleep.
Answers
Answer:
They hold each other's cute hands!!! :3
Explanation:
Does this help you???
what part of the plant holds the most water
Answers
Answer:
Stem
Explanation:
Main Stem - Holds up the plant and carries water throughout the plant. Secondary Stem - A stem that grows out from the main stem and holds the leaves. Chlorophyll - The green matter that is needed to make food for the plant.
Answer:
vacuoles
Explanation:
Plant cells are unique in that they have a large central vacuole. A vacuole is a small sphere of plasma membrane within the cell that can contain fluid, ions, and other molecules. Vacuoles are essentially just large vesicles. They can be found in the cells of many different organisms. However, plant cells characteristically have a large vacuole that can take up anywhere from 30% to as much as 90% of the total cell volume.
During mitosis, a single cell divides to produce two daughter cells. What
must happen in the original cell so that each of the daughter cells has a
compiate set of chromosomes?
Answers
Answer:
DNA replication
Explanation:
DNA replication creates duplicates of the existing chromosomes, so that when the cell splits to create two new cells, they will each have their own set of DNA.
Suppose a particular glacier covers 100 km^2, and it loses 30 cm of depth in a decade. Approximately what volume (km^3 ) is lost? Show your work.
plz help me!
Answers
Answer:
0.03 km^3
Explanation:
First convert the 30 centimeters into kilometers. This will give you 0.0003 km because 1 km is 100,000 cm. Next multiply 100km^2 by 0.0003km which will give you your answer or 0.03 km^3.
According to the key above, which characteristics are necessary to identify a female aedes mosquito.
1. Antennea, palps, and proboscis
2. palps, abdomen tip, and scales and legs
3. eyes, scales on legs and abdomen tip
4. pals, abdomen tip and wings
Answers
The characteristics to identify female aedes mosquito are palps, abdomen tip, and scales and legs
Female Aedes mosquito?Female Aede mosquito is a yellow fever mosquito, is a mosquito that can spread dengue fever,and yellow fever viruses, and other disease agents. The mosquito are identified by black and white markings on its legs and a marking at the the upper surface of its thorax. They are small in sizes and have patterns of light and dark scales on the abdomen and thorax which alternate light and dark bands on the legs.
Therefore, The characteristics to identify female aedes mosquito are palps, abdomen tip, and scales and legs.
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The type of mutation that alters the nucleotide sequence of a gene but does not alter the amino acid sequence of the protein produced from that gene is called ________ mutation.
Answers
Explanation:
it's called a silent mutation
Cell having two copies of each type of chromosome is called
Answers
Answer: Diploid means you have two of each type of chromosome.
Explanation:
Diploid is the term that refers to the number of each type of chromosome that an organism has. And diploid specifically means every cell in that organism has two copies of each type of chromosome.
Explain the internal structure of mid layer of a leaf
Answers
Answer:
Structure of a leaf
The cuticle helps retain water inside the leaf cells. The epidermis houses the guard cells which regulate the movement of water into and outside the cell. Guard cells do so by controlling the size of the pores also called stomata. Mesophyll: This forms the middle layer of the leaf.
Explanation:
Which situation is most likely to result in a mutation that is passed on to an offspring?
A- ultraviolet radiation causing skin cancer
B- a longtime smoker developing cancer in the lungs
C- exposure to a chemical that affect cell formation
D- exposure to a chemical that affects the nervous system
Answers
Answer:
C- exposure to a chemical that affect cell formation
Explanation:
Hope this helps
The situation that is most likely to result in a mutation that is passed on to an offspring is exposure to a chemical that affects cell formation. The correct option is C.
What is mutation?A mutation is changing or modification in the nucleic acid or DNA sequence of a person. This is a natural process that occurs due to mutagens.
Mutation can also be artificially induced to bring out changes in the gene sequences for specific reasons. An example is an aneuploidy is a condition of the presence of more or less number of chromosomes than normal. For example, there are 45 or 47 chromosomes are present.
There are different types of mutations somatic mutation occurs in the body cell and chromosomal mutation occurs in the structure of chromosome coin mutation changing the nucleotide.
Therefore, the correct option is C. exposure to a chemical that modifies cell formation.
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