Answer:
The wing of a bird and the arm of a human are examples of c. homologous structures. This is because they are structures which have a similar
8. What are some of the surface features on Venus that are similar to the Earth?
Answer:
About the same size, they weigh about the same, and are made up of very similar materials, plus there beside each other/ neighboring planets.
Explanation:
how is the level of thyroxine controlled gsce
Explanation:
Its levels are controlled by negative feedback. The hypothalamus and pituitary gland have important roles in detecting and controlling thyroxine levels. Low thyroxine levels in the bloodstream stimulate the hypothalamus to release TRH and this causes the pituitary to release TSH so the thyroid releases more thyroxine.
Which of the following is a biotic or an abiotic resource in the environment that causes population size to decrease?
A. Growth Factors
B. Limiting Factors
C. Limiting Nutrient
D. Carrying Capacity
Answer:
Answer islimiting factor.
Explanation:
A limiting factor is anything that constrains a population's size and slows or stops it from growing.
Read the scenario.
A biologist is studying golden frogs that live in cool streams running through the rain forests of Central America. The biologist conducts a survey of the population and counts over 100 frogs in one mile of stream. The biologist returns to the same location one year later and counts only 20 frogs in that same stretch of stream. The biologist wonders why there are suddenly so few golden frogs.
The biologist also observes that a mining company has set up a copper mine only a few miles from the stream. By reading studies on copper mining operations in other parts of the world, the biologist learns that the wastewater runoff from the mines is highly acidic and contains potentially toxic compounds.
Which question most closely relates to the biologist's observations and collected data?
Are the golden frogs succumbing to a fungal infection?
Did the golden frogs migrate to a new habitat?
Why was a copper mine built so close to the stream?
Is the runoff from the copper mine contaminating the golden frogs' stream and killing the frogs?
Answer:
The most likely answer would be D, Is the runoff from the copper mine contaminating the golden frogs' stream and killing the frogs?
Explanation:
The golden frogs live either close to the stream or in it, which means the acidity and toxicity could kill them.
Hope this helps, my apologies if I am uncorrect.
answer this question i will give u brainliest
Answer:
50%, and 0%
Explanation:
Make a chart, and fill it in
a)
_ |E | e
e |Ee | ee
e |Ee | ee
2/4 have Ee, and 2/4 have ee, ee is the attached, so the chance is 2/4, or 50%
b)
hom*zygous means that both letters are the same, so EE, or ee
the mother is EE, while the father is ee
make a table:
_ |E | E
e |Ee | Ee
e |Ee | Ee
As you can see, it's all Ee, so the only possibility is for the child to have detached earlobes, and no attached earlobes are produced (in theory, at least)
Your body needs a constant supply of oxygen for cellular respiration to produce the ATP needed to fuel your body processes. When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation. Refer to the model above. Predict what changes will occur when your body shifts from aerobic respiration to anaerobic respiration (lactic acid fermentation). Select ALL that apply.
Answer:
When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation.When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation.
Explanation:
Baleen whales have structures in their mouths that let them filter objects out of water. what do these structures do for the whale? question 2 options: provide movement. help them find a mate. help them obtain resources. help them defend against predators.
Baleen whales have structures in their mouths which help them to obtain resources.
What is a Baleen?This is referred to as slender keratin plates that hang from the upper jaw of Baleen whales.
Tbis helps this type of whales to obtain many resources such as preys together at a time thereby making option C the most appropriate choice.
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in your opinion could a butterfly be an offspring of an ant? explain.
Nope. Butterflies and ants are two different types of insects that belong to different families. Ants belong to the family Formicidae, while butterflies belong to the family Papilionidae.
Answer:
No lol its not the same bug.
Explanation:
That is genetically impossible.
Which of the following statements best describes how science has developed
over time?
A. Worldwide, scientists work independently to build the scientific
knowledge within their own countries.
B. All useful scientific knowledge has been developed within the past
100 years.
C. Until 50 years ago, only men made contributions to scientific
knowledge.
D. Men and women all over the world have investigated scientific
questions throughout history.
Answer:
D is the correct answer!!!
A student is asked to draw a food web in which the same organism is a primary consumer as well as a secondary consumer. How should the organism be represented in the food web?.
Answer:
The primary producers (grass, flowers, weeds) should be at the bottom because they are then eaten by primary consumers (rabbits, mice, squirrels). The secondary consumers would be on top (owls, eagles, hawks) because they eat the primary consumers.
Example:
Eagle
^
Mouse
^
Grass
Have an amazing day!!
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According to the second law of thermodynamics, heat energy released by an organism is _____.
absorbed by plants for photosynthesis
used by another animal
gone forever
released into the environment and unusable
Answer:
released into the environment and unusable. (Entropy)
Explanation:
Answer: released into the environment and unusable
Explanation:
have a good day
Which of the following names an effect of increasing the livestock population through higher fertility rates?
increased cost for food products
increased cost for food products
improved behavior in animals
improved behavior in animals
increased methane emissions from cattle
increased methane emissions from cattle
improved animal-husbandry practices
improved animal-husbandry practices
Give one way in which
the International Space Station could help with
further exploration of the solar system,
Question: In which way did the international Space Station help with the further exploration of the solar system?
Explanation: Well, the station has provided researchers a platform in microgravity where they perform experiments and test technologies to allow humans to travel farther into the solar system than ever before.
Hopes this helps! Have a nice week!
How does cytokinesis differ in plant and animal cells?
A. In animals the process leads to only three cells. In plants, the process produces four cells.
B. In plants the cells are physically separated, while animal cells are still joined.
C. In plants the result is four cells; in animals the result is two cells.
D. In animals the cell's area physically separated, while plants are divided by a cell plate.
Answer:
D.
Explanation:
Animal cells have a cleavage furrow which will pinch the cytoplasm into two nearly equal parts. While plant cells have a cell plate that forms halfway between the divided nuclei.
A plane is taking off of an runway. This is an example of?
Answer:
vrtkoff
Explanation:
The vrtkoff example represents a simplified aircraft taking-off from a runway. There are several viewpoints defined in this model, both static and attached to the plane, allowing you to see the take-off from various perspectives.
Answer:
The vrtkoff example represents a simplified aircraft taking-off from a runway.
Explanation:
When the body reacts to stop, or work in the opposite direction of, a stimulus, it is known as _____.
positive feedback
negative feedback
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Which important biochemical process receives a supply of NAD+ ions from the fermentation process during anaerobic respiration?
A.
Calvin cycle
B.
electron transport system
C.
glycolysis
D.
Krebs cycle
E.
proton pump mechanism
Answer:
it is Glycolysis
Explanation:
is when cells need energy but there is no oxygen for aerobic respiration than anaerobic respiration takes place.
There hope it helps!!! :)
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The important biochemical process that receives a supply of NAD+ ions from the fermentation process during anaerobic respiration is glycolysis. Hence option C is correct.
What is Glycolysis?Glycolysis is the first step in both aerobic and anaerobic respiration. It takes place in the cytoplasm and involves the breakdown of glucose into pyruvate. During the process, NAD+ ions are reduced to NADH, which is an energy-rich molecule that is used in the electron transport chain to produce ATP.
In anaerobic respiration, when oxygen is not available, the electron transport chain cannot function, and the cell must rely on other processes to regenerate NAD+.
Fermentation is one such process, and it involves the reduction of pyruvate to other organic molecules, such as lactic acid or ethanol. This process regenerates NAD+ from NADH, which can then be used in glycolysis to produce more ATP.
Therefore, during anaerobic respiration, the fermentation process supplies NAD+ ions to glycolysis, allowing the cell to continue producing ATP in the absence of oxygen.
Hence option C glycolysis is correct.
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During which phase of meiosis do the homologous chromosomes line up across from each other in the center of the cell?
Answer: In metaphase I, homologous chromosomes line up along the center of the cell in order to be pulled apart.
Explanation:
Meiosis is the type of cell division in the germinal cells. In metaphase I of meiosis, the homologous chromosomes line up across from each other in the center of the cell.
What is metaphase I?Metaphase I is one of the stages of meiosis I in which the duplicated homologous chromosome pairs align at the center of the cell along the midline and are connected through the centrioles.
In prophase I the homologous chromosomes are created and in anaphase I, the aligned chromosomes move towards the opposite poles so that after division each cell has the same number and equal composition of chromosomes.
Therefore, in metaphase I the homologous chromosomes are aligned at the midline.
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You apply a force of 10 newtons on an object and make it move 10 meters. How much work was done?
100 J
100/ms
100 g
100 w
Answer:
here
Explanation:
force (F)=10N
distance (d)=10m
work=F×D
=10N × 10m
=10N/M
=10 j
Are there other universes out there that we could not know of?
Answer:
It is possible. If there was water discovered on mars, and a livable temperature, who's to say that there is not another universe out there waiting to be discovered?
Hello prime here ready to answer your question <3
Answer:
Yes, infact there is a multiverse filled with universes galaxys stars solar systems and even more, but it is still unknown.
Explanation:
Hope this helped, NOT COPY N PASTED BTW
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-prime
15. A diploid cell is one that a. has two homologues of each chromosome. b. is designated by the symbol 2n. C. has chromosomes found in pairs. d. All of the above
9. What is one thing that plants living in the ocean do not have to worry about?
Answer: The thing they don't have to worry about is not getting enough water, b/c they live in it!
Answer:
water
Explanation:
this is because they have adapted to absorb all the water and carbon dioxide they need from the water they live in.
Which of the following stages is the first step during the process of transcription
Explanation:
RNA polymerase moves in the part of the DNA that has been opened and forms a complement to one of the strands of DNA called RNA.
During prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a(n)
During prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a tetrad or bivalent.
What is a tetrad?A tetrad is a structure formed during the prophase I stage of meiosis I whereby two homologous chromosomes pair together.
Meiosis occurs in two stages of division namely;
meiosis I meiosis IIIn meiosis I, homologous chromosomes are separated but are first paired during the prophase stage to form the tetrad or bivalent structure.
Therefore, during prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a tetrad or bivalent.
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pls help ill give brainliest and 5 stars
Answer:
[1.] formed when lava or magma harden
[3.] formed when sediments are compacted and cemented together.
[4.] a model that shows how rock undergoes processes to become different rocks.
[2.] formed by heat and pressure while buried deep below earths surface.
What morphologic character determines the jumping ability of anole lizards?.
The morphological character that determine the jumping ability of anole lizard is that the toe pads is larger, with more sticky scales on their feet.
What is morphological character?Morphological character refer to the features or characteristics posses by organisms or their species which define the organisms form.or structures.
Therefore, The morphological character that determine the jumping ability of anole lizard is that the toe pads is larger, with more sticky scales on their feet
Learn more about morphological character below.
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What happens to the rate of diffusion if the temperature is raised?
Answer:
The rate of diffusion increases
Explanation:
This is because increase in temperature causes increase in the average speed of molecules which increases the rate of diffusion
Answer:
The higher the temperature, the more kinetic energy the particles will have, so they will move and mix more quickly. The greater the surface area, the faster the rate of diffusion.
The pulmonary circulation conveys blood that is ______ in oxygen to the lungs before returning back to the ______ side of the heart.
The pulmonary circulation conveys blood that is low in oxygen to the lungs before returning back to the left side of the heart.
The pulmonary circulationThe circulatory system is divided into two main parts namely:
pulmonary circulation and systemic circulation.The pulmonary circulation involves the movement of blood between the lungs and the heart.
Blood from the systemic circulation returns to the right side of the heart where it is pumped through the pulmonary artery into the lungs to be oxygenated.
After oxygenation has taken place in the lungs, the blood returns to the left side of the heart through the pulmonary veins.
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If someone is a hemiplegic due to a spinal cord injury, then ___. both upper limbs are paralyzed all four limbs are paralyzed both lower limbs are paralyzed osteosarcoma upper and lower limbs on one side of the body are paralyzed
If someone is hemiplegic due to a spinal cord injury, the upper and lower limbs on one side of the body are paralyzed. This is further explained below.
What does it mean to be hemiplegic?Generally, being hemiplegic is having a syndrome induced by a brain injury that causes weakness, and no control on a side of the body.
In conclusion, when the upper and lower limbs on one side of the body are paralyzed it is called Hemiplegia.
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Which classification category contains the greatest number of different types of organisms?.
Answer:
the classification kingdom
