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i think phloem is the plant tissue along with xylem♀️
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I just wanted to thank everyone who helped me through a tough science test. I could not have done it without the people on this app. Thank you so so much! Take these 25 points!
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Answer: Np
Explanation: Thats what we are here for.
Ichthyosaurs, now extinct, were aquatic reptiles with dorsal fins and tails, similar to those of fish. Their most recent ancestors were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are ________. homologous structures adaptations to different environments adaptations to a common environment and examples of convergent evolution adaptations to a common environment and homologous structures
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Answer:
Adaptations to a common environment and examples of convergent evolution
Explanation:
Convergent evolution is a process by which two independent and phylogenetically separated organisms, get to develop similar structures or behavior to survive. These structures make possible a better performance in a similar environment. These organisms are morphologically or ethologically similar in their whole bodies or just in parts.
Convergent evolution occurs in different phylogenetic branches independently from each other. It results from the need of different organisms to adapt to a similar environment and to solve a problem from that particular ecological niche. Ecological pressures acting on them might be similar, modeling the organisms´ phenotype. Each evolutive branch ends by developing the same structures, which they both find effective in their environment.
In the exposed example, Ichthyosaurs (reptile) and fishes are separated species on evolutive time, corresponding to different phylogenetic lineages. Both of them inhabit the same aquatic environment. Pressures of the habitat acted on them and modeling their phenotypes. These species need to adapt to living in water, moving, feeding, scaping, chasing, etc. So both species arrived at the same solution. They developed dorsal fins and tails, which are important to stabilize the body in the water while swimming, making it more hydrodynamic and getting to propel better.
What material does blood transport to the excretory system?
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Answer:
Blood transports oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.
Explanation:
What is the vent in earths surface through which magma and gases are expelled
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Answer:
A volcano
Explanation:
Is a vent or fissure in the Earth's surface through which molten rock and gases are expelled. Molten rock is called magma.
What are the steps to clone an organism?
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Answer:
Explanation:
Cut open the plasmid and "paste" in the gene. This process relies on restriction enzymes (which cut DNA) and DNA ligase (which joins DNA).
Insert the plasmid into bacteria. ...
Grow up lots of plasmid-carrying bacteria and use them as "factories" to make the protein.
Research and identify which plants on earth are the most abundant in biomass and the ecosystem(s) in which these plants can be found. Discuss how varying carbon dioxide levels can affect the growth of plants, that affecting the levels of biomass.
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Answer:
Trees and grass have the most abundant biomass. Among trees, pines are the most abundant in biomass. Pines are found in the terrestrial biome of coniferous forests. Grass is commonly found in the grassland biome.
Plants grow through a process called photosynthesis. This process uses carbon from the air to build tissue in plants. So increased levels of carbon dioxide in the air should mean better plant growth. However, a new study published in the Global Change Biology journal says that increased carbon dioxide levels in the atmosphere make it difficult for plants to absorb nitrogen. This nutrient is essential for plant growth. The researchers of the study looked at the effect of increased carbon dioxide levels in many ecosystems, including grasslands and forests. The researchers concluded that as carbon dioxide levels in the atmosphere increase, the concentration of nitrogen in plants decreases. Lower nitrogen amounts decrease the plant’s protein levels and ability to grow.
Increased carbon dioxide also means that plants need more water and fertilizer to grow. Inadequate rainfall and supply of fertilizers may not match the level of increased carbon dioxide received by plants. Thus, increased carbon dioxide can hamper the growth of plants.
Explanation:
This is edmentum sample answer so change it up
Answer:
Trees and grass have the foremost copious biomass. Among trees, pines are the foremost inexhaustible in biomass. Pines are found within the earthly biome of coniferous woodlands. The grass is commonly found within the meadow biome. Plants develop through a preparation called photosynthesis. This preparation uses carbon from the discussion to construct tissue in plants. So expanded levels of carbon dioxide within the discussion ought to cruel better plant development. Be that as it may, a modern think about distribution within the Worldwide Alter Science diary says that expanded carbon dioxide levels within the environment make it troublesome for plants to retain nitrogen. This supplement is basic for plant development.
The researchers of the consideration looked at the impact of expanded carbon dioxide levels in numerous biological systems, counting prairies and timberlands. The analysts concluded that as carbon dioxide levels within the climate increment, the concentration of nitrogen in plants diminishes. Lower nitrogen sums diminish the plant’s protein levels and capacity to grow. Increased carbon dioxide implies that plants require more water and fertilizer to develop. Lacking precipitation and supply of fertilizers may not coordinate the level of expanded carbon dioxide gotten by plants. Hence, expanded carbon dioxide can obstruct the development of plants.
Explanation:
Also, this is my answer so please just switch my words up and this will get you right I had to do this question. This is not too much similar to the Plato answer because I change a lot of it to my words and this will get you A+ because I know!
Why do you think it would be important to know that both sides of the heart receive blood at the same time? Giving Brainliest
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Explanation:
The right side of your heart receives blood from the body and pumps it to the lungs. The left side of the heart does the exact opposite: It receives blood from the lungs and pumps it out to the body. If your body didn't do it simultaneously, then blood would overflow your lungs.
which cell structures are attached to the surface of the rough ER that allow it to make proteins?
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Answer:
Ribosomes
Explanation:
Rough ER looks "rough" because they are studded with ribosomes. Ribosomes are the main players making the protein. They eject the protein inside the lumen (inner side) of Rough Er for modifications.
Ultraviolet radiation is an example of a(n)
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Ultraviolet radiation is an example of a carcinogen because it is a agent that causes cancer.
What is a carcinogen?A carcinogen is any agent (either physical or chemical) capable of causing cancer in normal cells.
Ultraviolet radiation is a physical carcinogen agent that leads to mutations in DNA and thus causes cancer.
In conclusion, Ultraviolet radiation is an example of a carcinogen because it is a agent that causes cancer.
Learn more on carcinogens here:
https://brainly.com/question/984334
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The ultraviolet wave is an example of the electromagnetic waves.
What is ultraviolet radiation?The term ultraviolet radiation has to do with a wave which a part of the electromagnetic spectrum. The electromagnetic spectrum does not require a medium of propagation.
Hence, the ultraviolet wave is an example of the electromagnetic waves.
Learn more about electromagnetic waves:https://brainly.com/question/3101711?
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what is the total length of alimentary canal?
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Answer:
30 feet (about 9 meters) long in an adult.
Explanation:
The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long. Digestion begins in the mouth, well before food reaches the stomach.
What are the major sources of evidence for evolution how does each support the theory of evolution?
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Answer:
DNA is one of the major sources might be wrong tho
Explanation:
DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.
Which of these energy transformations is taking place in the chimpmunk when its cells use the plants sugars to carry out cell processes?
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Answer:
This question lacks options, the options are:
A. chemical energy -> kinetic energy
B. kinetic energy -> solar energy
C. solar energy -> chemical energy
D. kinetic energy -> nuclear energy
The correct answer is A.
Explanation:
All living organisms need energy to carry out certain processes in their body. This energy is obtained in form of ATP (chemical energy) when their food molecules is broken down via a process called CELLULAR RESPIRATION.
This chemical energy (ATP) is needed to perform cellular processes in the body. According to this question, a chipmunk (animal) will utilize the energy it derives (ATP) from breaking down plant sugars to carry out its cell processes. This means that it will transform CHEMICAL ENERGY → KINETIC ENERGY.
Note that, kinetic energy is the energy due to motion in the Chipmunk.
Zach is conducting an experiment to observe which type of fertilizer will allow a plant to grow the tallest. He puts three plants in identical pots and places them in the same location. He waters the plants each day with the same amount of water. Then, Zach measures the plant growth and records his observations.
Which of these is the control group in Zach’s experiment?
a) the growth rate of each plant
b) the pot that does not contain fertilizer
c) the type of fertilizer used in each plant
d) the amount of water given to each plant
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Answer:
the pot that does not contain fertilizer
Explanation:
Answer: The answer is Pot that does not contain fertilizer
Explanation: I took the test
how does finding fossils in mining quarries create bias in the fossil records?
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Answer:
There are several reasons there is a bias in the fossil record, including the following: Hardbody parts fossilize better than soft-bodied parts. Fragile organisms are less likely to be preserved and fossilized. Fossils in remote areas are less like to be found compared to fossils in easily accessible regions.
1. A standard laboratory technique used to produce a new plant is
represented in the diagram below. This technique is best identified as
BB
Cell
division 3.0.320) Cell division
Cell
One leaf cell
spocialization
removed
One
Colls grown in a
laboratory
New tomato plant
Tomato plant
O (1) gene alteration
O (2) selective breeding
(3) replication
(4) cloning
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Prior to seed head emergence or at the optimum stage for best quality forage. The 4 uppermost leaf blades. Prior to bloom: Mature leaf blades taken about 1/3 of the way down from the top of the plant
Suppose one of their children (Ww) marries someone who is also heterozygous (Ww). What kind of hairline will their children have?(
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Answer:
3 + 5 = 8
Explanation:
a kind of lipid utilized in synthesis of rubber is: (a) Acylglycerol (b)Waxes (c)Phospholipdis (d)Terpenes
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Answer:
Option b) waxes
Explanation:
because it is kind of liquids utilized in synthesis of rubber
Both naturally acquired and artificially acquired immunity are effective ways to gain immunity. Which method is safest?
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Answer:
naturally acquired immunity are effective ways to gain immunity.
Explanation:
there is a saying that eat your food like a medicine otherwise you will neex to ead your medicine as food.so food whuch we obtain from nature have many nutritious values than artificially acquired medicine
Please help me I need pass bio
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Answer:
Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct. Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Plants help humans survive by giving out carbon dioxide to oxygen through this proccess that helps us to breathe.
Answer: photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct. Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Plants help humans survive by giving out carbon dioxide to oxygen through this proccess that helps us to breathe.
Explanation:
she said it and stop deleting
10 points!!! AND NO LINKS!!!!!! OR ELSE I REPORT YA-
In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probability of a moth being black?
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Answer:
35%
Explanation:
How is climate change today similar to the major K-Pg extinction event that ended the reign of the dinosaurs? (1 point)
A. New species are emerging in the absence of extinct species.
B. Catastrophic weather events are occurring that are wiping out entire ecosystems.
C. Individuals that can't adapt are dying, and species are going extinct.
D. The environment is changing rapidly, and new ecosystems are forming, causing mass extinctions.
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Answer:climate change
mess extinction involves many species of a short period of geologic time
most mammals being nocturnal allowing them to see better in the dark and conditions
The emergence of extinction of species
individuals that can’t adapt are dying and species are going extinct
Explanation:took test
The answer is climate change today similar to the major K-Pg extinction event that ended the reign of the dinosaurs. The environment is changing rapidly, and new ecosystems are forming, causing mass extinctions.
The study suggests that changes in climate caused by humans are causing mass extinctions. past mass extinctions were caused by climate changes including catastrophic events.
What is the K-Pg extinction event?
It was caused by the impacts of massive asteroids which destroyed the earth that ended the reign of the dinosaurs.
Hence concluded that climate change today is similar to the major K-Pg extinction event that ended the reign of the dinosaurs as the environment is changing rapidly, and new ecosystems are forming, causing mass extinctions.
To learn more about massive extinctions refer to the link :
https://brainly.com/question/1190381
Please Help! I tried to make a chart but it didnt help :(
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What is a scientific theory?
A. A hypothesis
B. An experiment
C. An educated guess
D. An idea supported by evidence
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Answer:
an idea supported by evidence
Explanation:
APE.X
If a molecule is to large or polar and cannot easily diffuse into the cell, it is
considered to be
to the membrane.
permeable
impermeable
hydrophilic
phospholipid
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Answer:
hydrophilic
Explanation:
Large polar or ionic molecules, which are hydrophilic, cannot easily cross the phospholipid bilayer. Charged atoms or molecules of any size cannot cross the cell membrane via simple diffusion as the charges are repelled by the hydrophobic tails in the interior of the phospholipid bilayer.
HELP BEING TIMED!!!!!!
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Answer:
D
Explanation:
Answer:
D. Ecosystemmmm
Explanation:
Which statement is NOT part of the concept of natural selection?
Individuals that possess the most favorable variations will have the best chance of reproducing.
Genes of an individual adapt to the changing environment.
Variations occur among the individuals in a population.
More individuals are produced than can survive creating competition amongst the members of a group.
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Answer:
i think its the first one sorry if im wrong but that one makes the most sense
Explanation:
Are plant fertilizers “plant food?
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Answer:
of course
Explanation:
Answer:
yea
Explanation:
plant fertilizers are what feed plants also you could make your own fertilizers.
A doctor reports a single occurrence of a disease to the Centers for Disease Control as a disease outbreak. Which of these factors most likely led to the doctor's actions? A. The disease causes a variety of symptoms, including fever and nausea. B. The disease has been absent from the population for a long time. C. The disease is typically more common in children than it is in adults. D. The disease causes symptoms that can last from 7 to 14 days.
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Answer:it’s a
Explanation:I got it right
What does the suffix -mer mean, in, for example, polymer?
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Answer:
to indicate the smallest unit of a repeating substance
Explanation:
A specific location in America has closed down several fossil fuel units and set up geothermal plants. In your own words, explain how this would affect the economy of the location. (5 points)
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Answer:
The economy of the location would be affected in the following ways:
1. Setting up geothermal plants would create more Jobs as expertise in various fields would be required to render their services.
2. Setting up geothermal plants would increase more revenue generation for the government in taxes.
3. Setting up geothermal plants would attract the development of the location as more people would tend to live there, there would also be improved road networks, housing, e.t.c.
4. Closing down fossil fuel units would eradicate environmental pollution in terms of oil spillage and stop the reduction that has been ravaging agricultural activities due to contamination of water bodies and land as a result of the fossil fuel.
Explanation:
Geothermal power plants are expensive but renewable sources of electricity that use steam or hot water pumped to the Earth's surface from beneath the earth's crust to spin a turbine producing electricity.