Question 1 (1 point)
Which diagram best shows the flow of energy through a community with three trophic levels? (Sorry, B and D are cut off, but the image is "mirrored").
A) a
B) b
C) c
D) d
Answers
Related Questions
the distance from earth to the north star is about 430 light years. which of the following statements describes why scientists use the light year unit to measure distances in space?
a. a light year unit is very small and distances in space are very small
b. a light year unit is very small and distances in space are very large
c. a light year unit is very large and distances in space are very small
d. a light year unit is very large and distances in space are very large
Answers
Answer:
i am not sure but i think is D
A light year unit is very large and distances in space are very large. So, the correct option is D.
What is Light year?A light year is defined as the larger unit of length which is used to express astronomical distances and is approximately equal to 9.46 trillion kilometers or 5.88 trillion miles.
A light-year is expressed as the distance that light travels in a vacuum in one Julian year, which is 365.25 days because it includes the term "year", the term light-year is sometimes misunderstood as a unit of time.
1 light-year = 9460730472580800 metres
Light year is used as a unit to express distances to celestial objects, for example, if a star is 4 ly away from earth, it means that light from the star will take 4 earth years to reach us.
Therefore, a light year unit is very large and distances in space are very large. So, the correct option is D.
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Why was Copernicus's heliocentric model not believed until Galileo and Kepler provided more evidence?
Answers
The model was against religious teachings.
Answer:
b
Explanation:
4. What is evolution? Explain how artificial selection causes populations to change.
Answers
Answer:Artificial selection is the process by which humans choose individual organisms with certain phenotypic trait values for breeding. If there is additive genetic variance for the selected trait, it will respond to the selection, that is, the trait will evolve. evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. Evolution can an animal to make it almost unrecognisable, like cephalopods and how they evolved to make them more buoyant
Choose an organism to use as an example.
Answers
Answer:
Bacteria
Explanation:
humans, plants, fungi and bacteria are a type of organism
Which of these describes the gravitational force from a planet?
Choose the correct answer.
large and pulls objects toward itself
small and pulls objects toward itself
large and pushes objects away from itself
small and pushes objects away from itself
Answers
Which of the following is a renewable resource used for human needs?
A) rocks
B) fossil fuels
C) water
D) minerals
Answers
Water is a renewable resource used for human needs. So, the correct option is C.
What are Renewable resources?Natural resources that regenerate with time and can be used endlessly without getting exhausted are known as renewable resources. These resources are often derived from sources such as sunlight, wind, water and biomass that can regenerate or replenish themselves.
Because they provide a source of energy and materials that can be used without negatively impacting the environment or depleting resources, renewable resources are an important component of sustainable development. Water is a renewable resource used for human needs.
Renewable resources are becoming more and more important as a sustainable alternative to non-renewable resources such as fossil fuels, which are limited and can adversely affect the environment.
Therefore, the correct option is C.
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A carbohydrate is broken down into smaller sugars, this is an example of what type of energy?
A.chemical
B.mechanical
C.sound
D.nuclear
Answers
Chemical energy
The predator
population peaks____
the prey
population
Please help!!!!
Answers
Answer:Just after
Explanation:As the prey population rises the more food there is for the Lynx
The prey is the "hare."
Classified by the black line.
The predator is the "lynx."
Classified by the dotted line.
All we need to do is find the peak of the waves.
The hare population peaks towards the beginning of the graph.
The lynx population peaks just after that of the hare population.
Therefore, the answer is [ D. just after ]
Best of Luck!
what did robert paine do with the purple star fish
Answers
Answer:
This is what i found
WILL MARK BRAINIEST PLS HELP!
Using the traits and alleles from this chart, indicate the possible genotype(s) for the following plants:
22. Homozygous wrinkled ……………………………………………………………..
23. Homozygous round …………………………………………………………………..
24. Round heterozygous…………………………………………………………………..
25. Green hybrid…………………………………………………………………..
26. Heterozygous green pods…………………………………………………………………..
27. Yellow pods…………………………………………………………………..
28. Short stems…………………………………………………………………..
29. Tall stems…………………………………………………………………..
30. Yellow seeds…………………………………………………………………..
31. Pure tall stem ………………………………………………………………….
32. Homozygous tall stem…………………………………………………………………..
33. Heterozygous tall stem…………………………………………………………………..
Answers
Answer:
look below
Explanation:
22. rr x rr
23. RR x RR
24 Rr x Rr
25. ??
26. Gg x Gg
27. gg x gg
28. ll x ll
29. Ll x LL
30. YY x YY, Yy x Yy
31. LL x LL , Ll x Ll
32. LL x LL
33. Ll x Ll
10. A covalent bond forms between two
DLL
Answers
Answer:
A covalent bond forms between two Nonmetals!
Explanation:
A covalent bond always forms between the electrons of two Nonmetals.
hope it helps!
2. What are the two types of ecological succession?
Answers
Answer:
There are two main types of succession, primary and secondary. Primary succession is the series of community changes which occur on an entirely new habitat which has never been colonized before. For example, a newly quarried rock face or sand dunes.
Explanation:
Answer:
Ecological succession is a process of change in ecosystems that takes place over time, and that we can observe both in time and in space. ... There are two types, the primary sequence and the secondary sequence.
"I hope it helps you it was a pleasure to help you".
Explanation:
Hi, how are you? Could someone help me with this? I would very much appreciate it.
Are the current life forms similar to those of 3.8 billion years ago? How do we know?
Answers
Answer:
No, not really. Over time, organisms have grown much more complex. Photosynthesis happened around 3.4 billion years ago and respiration around 2 billion years ago. These all serve as a testimony to the fact that organisms are in fact growing more complex. We have seen photoautotrophs arise, from the simpler chemoautotrophs, and they now in fact dominate the array of producers! Organisms don't only do fermentation now; they can also do anaerobic respiration and aerobic respiration too! Thus, current life forms are a lot more different today than 3.8 billion years ago.
Which of the following terms would be an appropriate title for the level of complexity labeled Y?
5 points
Captionless Image
A : Cell
B : Tissue
C : Organ
D : Organ System
Answers
Answer:
D: Organ System
Explanation:
This is beacuse you can see that all of the terms in level Y -- respiratory, nervous, skeletal, and circulatory -- all each consist of two types of organs. This shows that they are on a level higher than that of organs -- organ systems.
Answer:
d:organ system
Explanation:
Can someone help me please ?
Answers
Answer:
Purified water is good because it does not have the toxins,But for the animals the are used to drinking that
Explanation:
I need help ASAP please
Use the diagram to answer the following questions.
A
B
S
C
G
S
TA
P
S
S
G
P
S
C
The sides of the helix labeled as A are made of
groups.
Answers
Answer:
Explanation:
Im super confused?
Can you explain more?
In studying Galápagos finches, the Grants found that ______ can take place frequently and over relatively short periods of time.
Answers
Answer:
quaqua
Explanation:
My opinion about Energy transfer in chemical reactions???? Please help
Answers
Answer:
Energy transferred during a chemical reaction. ... In an exothermic reaction, the potential energy of the system goes down, and heat is given out. In an endothermic reaction, the potential energy of the system goes up, and heat is taken in.
Explanation:
Select the living organisms that will decrease as a result of the loss of coral in the food web (Other answers besides the ones in green please)
Answers
Answer:
Parrotfish
Triggerfish
Butterfly fish
Explanation:
these three are the ones that eat the coral directly
this is why they are going to be the ones who are the most affected said the coral dies out
Hope this helps!
Do you think plants will grow better under a grow light or with the sun? Explain your answer.
Answers
Answer:
The Sun
Explanation:
I chose this because i think because the Sun is natural light and the grow light isn't it will grow better,
They are found in soil and get into our bodies by…
Answers
Answer:
i think the answer is micro nutrient
Lipids are made mainly of
Answers
Answer:
Lipids are composed mainly of carbon and hydrogen. but they can also contain oxygen, nitrogen, sulfur, and phosphorous. They provide nutrients for organisms, store carbon and energy, play structural roles in membranes, and function as hormones, pharmaceuticals, fragrances, and pigments.
Explanation:
I hope this helps! :)
Answer:
triglyceride.
Explanation:
What does the circulatory system do?
A. Sends hormones to the body
O B. Moves blood around the body
C. Brings oxygen into the body
O D. Defends against invaders
Answers
Moves blood around the body
The circulatory system moves blood around the body. Therefore, option (B) is correct.
What is circulatory system?The circulatory system, also known as the cardiovascular system, is responsible for the circulation and transportation of blood, oxygen, and nutrients throughout the body. It includes the heart, blood vessels, and blood. The heart pumps blood to the lungs to become oxygenated, and then circulates the oxygen-rich blood to the rest of the body through arteries.
Veins carry deoxygenated blood back to the heart, where it is pumped to the lungs to receive oxygen. The circulatory system also plays a role in removing waste products from the body, such as carbon dioxide, and helps to regulate body temperature, pH balance, and fluid balance. The circulatory system is essential to maintaining the proper functioning of all cells, tissues, and organs in the body.
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5 PLZ HELP 12points+
Select the correct answer.
If the population of rabbits in this ecosystem decreased dramatically because of certain environmental changes, which organisms’ food supply would decrease?
A.
owl and snake
B.
jackal and wildcat
C.
green plant and mouse
D.
goat and wildcat
Answers
Answer: B, the jackal and wildcat
Which of the following molecules link together to form starch? A. Glucose B. Galactose C. Fructose
Answers
true or false aerobic cellular respiration produces more atp then anaerobic cellular respiration
Answers
Answer:
true
Explanation:
What is displacement of metals?
Answers
Featured snippet from the web
Displacement reactions. Displacement reactions occur when a metal from the electrochemical series is mixed with the ions of a metal lower down in the electrochemical series. The atoms of the more reactive metal push their electrons on to ions of the less reactive metal. An example can be seen below.
Please answer fast!
Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies?
a. Smaller societies have a smaller demand for resources,
b Smaller societies can be governed by internal controls more effectively than larger societies.
Smaller societies rely more heavily on legislation and military forces.
d. None of the above
С. Smaller societies rely more heavily on legislation and military forces.
D. None of the above.
Answers
Answer:
"None of the above" are not reasons why small societies can maintain stability in the long term better than larger societies, since all of them have a certain merit.
Explanation:
The False reason why small societies can maintain stability in the long term better is : ( C ) smaller societies rely more heavily on legislation and military forces
Advantages of Small societiesSmall societies can maintain more stability due to certain factors which are peculiar to them and some of these factors are; smaller demand for resources, they can be governed more effectively by internal controls because small societies are less complex. they do not rely heavily on legislation and military force as seen in larger societies with some complexities.
Hence we can conclude that The False reason why small societies can maintain stability in the long term better is : ( C ) smaller societies rely more heavily on legislation and military forces
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ATP molecule What molecule(s) is produced by these activities?
Answers
Answer:
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules
Explanation:
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules
One breezy spring, many rabbits are born in a forest. During the warm summer, several wolves move to the forest and many plant-eating birds fly away.
Which is a limiting factor that would most likely decrease the rabbit population?
breezy spring weather
warm summer weather
wolves moving to the area
birds leaving the area
Answers
Answer:
wolves moving to the area
Explanation:
Answer:
wolves moving to the area
Explanation:
wolves would eat the rabbits
