2. How could the duck-billed dinosaur tooth fossil lead scientists to believe that plants also existed in Antarctica?
Because duck-billed dinosaurs could not have survived without plants, their presence in Antarctica proves that plants existed there. Additionally, fossil plants have been found in Antarctica.
Which statement most completely describes the role of the cell in a single-celled organism?
A. It provides the organism with nutrition and a means of locomotion
B. It provides the chemical functioning and genetic material that enables life, growth, and reproduction
C. It provides a boundary between the organism and its environment
D. It provides the support structure that the organism lack because it has no true skeleton
Answer:
B
Explanation:
What do cells in a structure do? Add as much information as possible for the cell: Nucleus, Rough endoplasmic reticulum, Mitochondria, and Chloroplast. Please don't copy off the internet or I might get in trouble! But please explain your answer if there's not enough explanation.
1. Which of the following is always found where plates of the lithosphere meet?
A. Convection current
B.Sea-floor spreading
C. Convergent boundary
D. Tectonic plate boundary
Is a hammer a pulley when u use it to take out a screw.
when an atom loses or gains electrons, it becomes a_____
A) ion
B) formula
C) crystal
D) subscript
Is summer when we are facing the sun and winter is when we are facing away from the sun?
Some mixtures, such as the cup of coffee shown here, have the same appearance and properties throughout. What term best describes such mixtures?
A. homogenious
B. colloids
C. heterogenious
D. solutes
Answer: The answer would be A
Explanation: It would be A because it all looks the same, and it's all mixed evenly. A homogeneous mixture is something that IS mixed evenly, whereas a heterogeneous mixture is something that is NOT mixed evenly.
And I have absolutely no idea what colloids and solutes are:)
what compounds do plants cells make using G3P
Plant cells use Glyceraldehyde-3-phosphate (G3P) to form various organic compounds. Following the Calvin cycle, for every three "turns," enough net carbon is fixed to export one G3P out of six produced. This single G3P then contributes to the synthesis of carbohydrates and other compounds required by the plant.
In the process of photosynthesis, plant cells employ the Calvin cycle to fix carbon into a useful form. G3P, a three-carbon molecule, is a vital intermediate in this cycle. For every three complete cycles, six molecules of G3P are produced. Only one of these molecules is exported into the cytoplasm to synthesize other organic compounds, like carbohydrates. The remaining five G3P molecules are utilized to regenerate RuBP with the consumption of additional ATP, thus preparing the Calvin cycle to fix more atmospheric CO2. The exported G3P is central to producing glucose, which is further used for energy storage, cellulose for cell walls, and other fundamental organic compounds crucial to plant growth and development.
what happens to the solar energy absorbed by plants during photosynthesis?
Plants absorb solar energy and convert it into chemical energy through photosynthesis, producing glucose and oxygen which are vital for plant growth and supporting life.
Explanation:During photosynthesis, plants absorb solar energy from the sun and convert it into chemical energy. This process starts with the light-dependent reactions, where chlorophyll in the chloroplasts absorbs sunlight, energizing electrons that then move through an electron transport chain. This initial phase results in the production of ATP and NADPH. Following this, in the light-independent reactions, the stored chemical energy in ATP and NADPH is used to convert carbon dioxide into glucose.
Thus, solar energy is transformed into a more stable form, chemical energy, which is then utilized to build sugars, cellulose, and other materials essential for plant growth and development.
Photosynthesis converts absorbed solar energy into chemical energy stored in glucose. This process involves converting light energy to chemical energy via the light-dependent reactions and using it in the Calvin cycle to produce sugars.
Explanation:What Happens to Solar Energy Absorbed by Plants during Photosynthesis?During photosynthesis, plants absorb solar energy from the sun and use it to convert carbon dioxide and water into glucose and oxygen. This process takes the radiant energy in sunlight and transforms it into stored chemical energy within the chemical bonds of glucose. The Light Reactions of photosynthesis involve the pigment chlorophyll absorbing sunlight energy, which then gets converted into chemical energy stored in molecules of ATP and NADPH.
This chemical energy is later used in the light-independent reactions, also known as the Calvin cycle, to drive the synthesis of sugar molecules from carbon dioxide. Thus, the solar energy is converted into a form that can be stored and used by the plant to maintain its processes and grow. Additionally, this conversion facilitates the flow of energy through ecosystems, as plants serve as a primary energy source for other organisms through the food chain.
What is the optimum temperature for clam development?
All of the following are characteristics of organisms EXCEPT
a. movement
b. reproduction
c. color
d. growth
In stage 2 of photossynthesis, NADP+ becomes NADPH by adding an H+. Where does the H+ come from?
A. Splitting of water
B. "excited" electron
C. ATP becomes ADP
D. Carbon fixation
In this equation for photosynthesis, where does the first reactant come from and what happens to it in the photosynthetic process?
6CO2 + 6H20 -> C6H1206 +602
A. Water is split to drive NADP to NADPH conversion, which is formed in the Calvin Cycle
B. Carbon Dioxide from the air is broken down in the Calvin Cycle
C. Gluecose is formed right after the Calvin Cycle
D. Oxygen is released as a gas after water is split.
PLEASE HELP ME!
A tight rope walker who does not want to change his position will want the forces acting on him to be Blank Space __________. Question 5 options: large small balanced unbalanced
The correct answer for fill in the blanks is Balanced.
Tight rope walker does not want to change his position to make sure that the force acting on him is balanced. A slight change in the position of the rope walker will make the rope move and this movement will result in the unbalance the force exerted on the walker. So, to make the force balance he will not change his position.
What are three parts of a seed?
What organ do we use to store air/breathe?
The ____ is made up of fossils that have been discovered around the world. Plz help :/
Answer:
fossil record
Hope it helps
An unconformity between rock layers can arise ones what stops?
how do you think ideas like the periodic table get widely known and accepted in the scientific community
Which process is responsible for compressing successive strata in the earth?
(A) erosion
(B) faulting
(C) deposition
(D) folding
Answer:
d
Explanation:ez took it
Folding is responsible for compressing successive strata in the earth. Therefore, option (D) is correct.
What is folding ?The process of folding happens when tectonic processes put stress on a rock, but the rock does not break as a result of the stress. As the exposed faces of the folded rocks are worn away by erosion, this can result in a wide variety of landforms. Folds that resemble an arch are called anticlines, and folds that resemble the letter 'U' are called synclines.
This takes place deep within the earth, where the rocks are subjected to intense pressure and the temperature is much higher. Rocks that have been folded frequently occur in mountain ranges such as the Himalayas, the Alps, and the Scottish Highlands.
Therefore, option (D) is correct.
Learn more about folding, here:
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Which of these is one of the main ways that a new species forms?
a.
Cross-breeding occurs within the species.
b.
A group is separated from the rest of the species.
c.
Competition occurs between members of the species.
d.
Mutations occur in the alleles of members of the species.
Answer:
B. A group is separated from the rest of the species.
Explanation:
Just took test
One of the main ways through which a new species is formed may include a group being separated from the rest of the species. Thus, the correct option for this question is B.
What is Species?Species may be defined as the collection of organisms that can significantly reproduce with one another in nature in order to produce fertile offspring.
The process of speciation occurs when a particular species is separated from other members of the same species over a long period of time due to geographical barriers or others restrictions. The process of speciation may be divided into four categories, i.e. allopatric, sympatric, parapatric, and peripatric.
Therefore, one of the main ways through which a new species is formed may include a group being separated from the rest of the species. Thus, the correct option for this question is B.
To learn more about Speciation, refer to the link:
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describe the process of exfoliation pls
Answer:
Explanation:
Exfoliation is the peeling away of sheets of rock millimeters to meters in thickness from a rock's surface due a range of physical and chemical processes during exhumation and weathering.It can occur due to several processes.
Which would have a better chance of becoming a fossil a fish that died and settles to the ocean floor or a mouse that dies on the ground in the forest
Which organ contains alveoli?
A) gills
B) lungs
C) neither gills nor lungs
D) both gills and lungs
Sometimes when people are cold they rub their hands together to create friction. Keeping this is mind, briefly explain the relationship between friction and thermal energy?
Cane toads are highly successful as an invasive species in Australia because there is only one species that is belivied to be able to prey on them
Answer: the answer is true
Explanation:
If left in the sun, which would increase in temperature FIRST?
What can happen when you have taken much more than the normal amounts of vitamins?
Answer:
Excessive intake of vitamin hurts human body in several ways
Explanation:
Excessive intake of vitamin hurts human body in several ways. Some of the common harms caused are as follows -
a) Fat-soluble vitamins such as vitamins A, D, E and K if taken in excess cause building of toxic elements in the liver, brain and heart as they being insoluble in water are stored in body fat tissues.
b) Intake of Vitamin C - Excess of vitamin C causes problems such as cramps in stomach, nausea , diarrhea
c) Zinc & selenium intake causes harm to the nerves, hairs , gastrointestine etc.
What are the limiting factors of an eco-friendly city
Environmental factors, also known as eco factors, are the physical, chemical, and biological conditions that affect living organisms and their surrounding environment.
These factors include things like temperature, humidity, air quality, water quality, soil quality, availability of food and resources, and the presence of other organisms in the ecosystem.
They play a critical role in shaping the behavior and survival of living organisms.
See more about eco factors: https://brainly.com/question/29405117
A man and woman have a son who is color blind, a recessive sex-linked trait carried on the X-chromosome, but neither parent is color blind. The woman is now pregnant with their second child. Which of the following statements is true about the second child?
D. A daughter will not be color blind because the father is not a carrier of the recessive allele.