Explanation:
Hey, there!!
The difference between larva of silk and bee are:
The larva of silk feeds in leaves of mulberry and the larva of bee feeds on royal jelly.The larva of silk completes it's stages in about 25 to 32 days whereas the larva of bee completes it's stages in about 5 to 6 days.The larva of silk is grey in colour whereas the larva of bee are white in colour.Hope it helps..
can someone answer???
Decomposers fungi, bacteria, invertebrates such as worms and insects have the ability to break down dead organisms into smaller particles and create new compounds.
Decomposers are organisms that break down dead or decaying organisms, they carry out decomposition, a process possible by only certain kingdoms, such as fungi.
So the answer has to be C. Bacteria Hope this helps
What is a controlled variable in an experiment?
a
b
A factor that is purposely left the same.
A factor that is purposely changed and being measured.
A factor that will be observed and measured.
A factor that is purposely being changed.
С
d A factor that is purposely being changed
Answer:
A factor that is purposely left the same.
Explanation:
A controlled variable should not be changed throughout an experiment or else it will affect the outcome of each individual trial.
What are some of the similarities and differences between the bacteria cell and the plant cell?
Answer:
Similarities
They both have cell wallsThey have strong flexible layers surrounding their cell membranes.Differences
Bacterial cells are prokaryotic while plant cells are eukaryotic.Bacterial cells have no membrane bound organelles but plant cells have.Answer:
I just had a question on my homework that im still doing so heres what i wrote
Explanation:
A plant cell has chloroplast so that it can make its own food while the bacterial cell does not as the bacterial cell is too small and the chloroplast wont fit. Bacteria cells have flagella so that it can move while plants don't as plants don't move.They both have a cell wall but a bacterias cell wall isn't made from cellulose.The bacterial cell doesn't have its genetic information inside a nucleus it is just in a single loop inside the cytoplasm.The plant cell has a vacuole while the bacterial cell doesn't.The bacterial cell has a slime capsule around the cell, outside of the cell wall. The plant cell is much bigger that the bacterial cell.Plant cells are eukaryotic while Bacterial cells are prokaryotic.Bacterial cells are single celled living organisms while plant cells aren't and they make up a plant.
what is difference between stoma and lenticel
Answer:
The main difference between stomata and lenticels is that stomata mainly occur in the lower epidermis of leaves, whereas lenticels occur in the periderm of the woody trunk or
Answer:
stoma are the small pores on the lower epidermis of a leaf and lenticels are raised pores in the stem of woody trunk that allow gaseous exchange between atmosphere and internal tissues
Explanation:
write down the number of nucleotide present in the above diagram
Answer:
6
Explanation:
A nucleotide includes:
1 phosphate group (p) 1 sugar (s) 1 nitrogenous base (A, T, G, C)Multiple choice questions BIOLOGY
Answer:
1. A
2. D
3. A
4. D
5. D
6. D
7. D
8. A
Explanation:
"A" is agree, "D" is disagree. I hope this helps. :)
How has our relationship with milk changed pollution in the last 200 years?
Answer:Milk production and consumption now cause much more pollution
Explanation:Globally, milk production and consumption requires extensive dairy farming. This leads to emission of methane which is a greenhouse gas and contributes to global warming and climate change; air and water pollution.
Answer:
milk production used to create much more pollution.
Explanation:
What experimental evidence led to the development of this atomic model from the one before it? A few of the positive particles aimed at a gold foil seemed to bounce back. The colors of light emitted from heated atoms had very specific energies. Equations were used to identify regions around the nucleus where electrons would likely be. Cathode rays were bent in the same way whenever a magnet was brought near them.
Few positive particles aimed at a gold foil seemed to bounce back is the evidence that is responsible for the development of atomic model. Rutherford performed an experiment in which alpha particles are allowed to fire on the gold foil.
Some of the particles bounced back which tell us that there are heavy particles present in the center of an atom.
Most alpha particles pass through the atom which tell us that there is a lot of empty space in an atom.
There is also a slight deflection that occur due to similar charge that tells us the element which is present in the nucleus has positive charge.
https://brainly.com/question/17332540
Answer:
its A the other dude who answer was doing to much
Explanation:
Which of the following is true about pH?
a. Neutral is a pH of 0
b. Bases have a pH of 1-7
c. pH is the concentration of hydrogen ions
d. Acids have a pH of 8-14
Answer:
c
Explanation:
Helllllpppppppp Aquatic questions ill give most points i got and brainliest
Answer:
11: Independent variable
12: Sink
13: Depends on whether your teacher will let you play once a lesson is over but in most classrooms I would say it is not allowed
14:Theory
15: Objective
16: 3
Explanation:
Answer:
bop
Explanation:
9+9+(+(+(9
Pinky's science fair project in junior high focused on an observation that the crickets outside her window chirped less frequently when the temperature was colder.
Answer:
See the answer below
Explanation:
The complete question: Pinky's science fair project in junior high focused on an observation that the crickets outside her window chirped less frequently when the temperature was colder. Consider if data was collected consisting of the average number of cricket chirps at different temperatures in her backyard. What's the independent variable?
The independent variable would be the temperature.
Independent variables are variables that produce effects on another variable while remaining unaffected themselves. They can be manipulated in the course of a research in order to measure the kind of effects they exert on other variables - the dependent variables to be specific. The dependent variables are the actual variables needed to test the hypothesis of a research.
In this case, a variation in temperature was observed to have an effect on the chirping frequency of crickets. Hence, the independent variable would be the temperature.
1. Which of the following correctly identifies the composition of an oxygen atom?
8 protons, 8 electrons, and 8 neutrons
6 protons, 6 electrons, and 6 neutrons
8 protons, 6 electrons, and 7 neutrons
06 protons, 6 electrons, and 12 neutrons
Answer:
The answer is A. 8 protons, 8 electrons, and 8 neutrons.
Explanation:
This is because Oxygen's atomic number is 8 and its atomic weight is 15.99 units. The atomic number is the number of protons in an atom. This means that there are 8 protons, along with 8 electrons, because the amount of electrons in an atom are equal to the number of protons (not including ions.) Additionally, to discover the amount of neutrons present in the given atom, you must take the atomic weight and subtract the atomic number (aka # of protons present). Once you subtract, you will be left with the number of neutrons. Since the atomic weight is 15.99, you will round it up to 16 and subtract 8, leaving 8 neutrons present. In all, it has 8 protons, 8 neutrons, and 8 electrons.
Why are people part Mongolian? Explain why in one paragraph please
Your question has been heard loud and clear.
Well , not all humans are part mongolian. Usually it refers to people of south asia , east asia which includes countries sourrounding indonesia and other island countries around it. But if you were to look at the west of the world , also north asia including europe , they arent part mongolian.
Thank you
2 ways pea plants pollinate
Answer:
Pea plants are naturally self pollinating.......
Explanation:
As they are self pollinating , there's no any way for their pollination . But we can also pollinate the pea plants manually
Answer:
Method 1 : Self-Pollination
Peas are naturally self-pollinating and self-pollination happens before the flowers open.
In self-pollination, pollen grains from anthers on one plant are transferred to stigmas of flowers on the same plant.
Method 2 : Cross -pollination
Peas can be cross-pollinated by hand, simply by ;
opening the flower buds to remove their pollen-producing stamen which prevents self-pollination and dusting the pollen from one plant to the stigma of another.
Explanation:
Describe the ocean Ecosystem briefly and in your description give at least three examples of different habitats ?
Answer:
the intertidal zone, the pelagic zone, and the abyss.
the temperature, water depth, water pressure and amount of light are the only things that differ from these great places.
What phase of mitosis is shown in the diagram below?
Answer: Telophase
Explanation:
Which of the following is not a possible cause for intraspecific aggression?
A) mating
B) territory
C) predation
D) dominance
Answer:
C) Predation
Explanation:
Just took the quiz and got it right!
is glasses a abiotic or biotic
What is a frequency ?
Answer:
Frequency is the number of occurrences of a repeating event per unit of time. It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. Frequency is measured in units of hertz (Hz) which is equal to one occurrence of a repeating event per second.
Explanation:
Answer: Frequency means the rate at which something occurs or is repeated over a particular period of time or in a given sample.
Explanation:
please help :) In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the blank variable.
Answer: Independent variable
Which organism's wings are not a homologous structure, when compared to the other organisms?
- butterfly
- mosquito
- hummingbird
- ladybug.
I need help with this guys anyone.?
Why is the amount of fertilizer known as the independent variable?
Answer:
You can think of an independent variable is the variable that is being varied by you the experimenter or scientist; it is the input/"cause"/the tunable variable. A dependent variable is the response/output/"effect".
There is also the control variable, which are variables that stay constant throughout. You generally have only one independent variable and many control variables so that you can properly disentangle cause and effect.
A simple example might be say you want to know if a certain brand of fertilizer helps your crops grow. You want to see how much fertilizer you need for optimal growth without using too much. What is the independent and dependent variable? (Highlight below for the answer!)
The independent variable is the amount of fertilizer you put on the crop. It is the variable that you, as the tester, vary yourself. The dependent variable is how much your crop grows. What about the control? It is the crop you choose to use the fertilizer on (e.g., corn, wheat, peas). Certainly, comparing the influence of fertilizer between corn and peas would not definitely tell you whether the fertilizer is effective; if you compared two different crops, you would have other confounding variables out of your control, so you want to test it only on one crop at a time.
I put cause and effect in quotes because you may run into one of many cause/effect fallacies (or mistaken beliefs). It is possible (and often happens in research) where you plot what you think is an independent and its dependent variable, but the reality is quite different! There are two common types- spurious relationships and spurious correlations. A spurious relationship is one in which a direct cause/effect relationship is concluded incorrectly when in fact there is a lurking or hidden variable unaccounted for. One commonly cited example is say you find an increase of death by drownings and ice cream sales. It would be incorrect to infer that eating more ice cream causes more drownings, or vice versa. The lurking variable that can explain both is hot weather (i.e., people eat more ice cream and go swimming more to cool down). A spurious correlation is incorrectly inferring the extent of how related two variables are (not necessarily a cause/effect relation, but something used often in statistics). Here is a website that illustrates quite ridiculous correlations (a pet project of a graduate student), emphasizing that correlation is not causation.
which of the following is found in both prokaryotic cells and eukaryotic cells? a)nucleus b)cytoplasm c)mitochondria d)chloroplast
Answer:
cytoplasm
Explanation:
Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm and DNA... the cytyis all the contents of the cell inside the cell memey, not including the nucleus.
Help! 5 questions for 20 points <3
1. Which of the following is NOT a characteristic of life?
A. Maintains homeostasis
B. Composed of cells
C. Composed of atoms
D. Carries out metabolism
2. Which of the following must be true to consider something to be alive?
A. It must be able to replicate its DNA
B. It must be able to respond to light
C. It must be able to convert energy from one form to another
D. It must be able to move
3. Which of the following represents a correct sequence of levels within the hierarchy of life?
A. Community population biosphere
B. Cell population organism
C. Cell organism tissue
D. Organ organ system organism
4. Which of the following characteristics of living things could be applied to an automatic door at a supermarket?
A. Living things grow and develop
B. Living things evolve over generations
C. Living things respond to stimuli in the environment
D. Living things maintain a stable internal environment
5. In the hierarchy of life, which level is below the community level but above the organ level?
A. Cell
B. Population
C. Molecule
D. Tissue
Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
Which situation would result in a theory being replaced rather than revised?
Answer:
New information was discovered that contradicts the current theory
Explanation:
:)
Most of the regulated medical waste in the United States is incinerated. These incinerators are a health hazard because they release pollutants like lead into the air. How could technology be best used to solve this problem?
Answer:
volcanic waste dump and plastic eating bactirium to clean alot of things
also a purge to remove the overpopulation problem thus reducing the production and polution up to 10 to 50 % all over the world
Explanation:
When a membrane protein is radioactively labeled during synthesis and followed through the various organelles in the secretory pathway, all the radioactivity is concentrated in the cis-Golgi apparatus six hours after the protein synthesis. This suggests that the protein
a. is misfolded and being degraded in the cis-Golgi.
b. contains a KDEL sequence near its C-terminus.
c. has a membrane-spanning domain length equals the
d. thickness of the cis-Golgi membrane.
e. was imported directly into the cis-Golgi posttranslationally.
f. has a mannose-6-phosphate tag.
Answer:
C. has a membrane-spanning domain length equals the thickness of the cis-Golgi membrane.
Explanation:
Secretory pathway is the pathway that transport proteins to the cell surface membrane. For this, the membrane proteins are labeled radioactively and move through the various organelles to carry the proteins to the surface membrane.
After six hours, all the radioactivity is concentrated in the cis-Golgi apparatus this means that The protein carries membrane-spanning domain which widens or make the cis-Golgi menbrane thick.
Hence, the correct answer is "C".
what observations do you have about the bacteria cell
Answer:
Bacteria cells have no membrane bound organelles.Bacteria cells are prokaryotic.Bacteria cells have cell walls.Bacteria cells have strong flexible layers surrounding their cell membranes.Bacteria are called prokaryotes; they lack a nucleus and do not present organelles in the cytoplasm, their observable characteristics are:
The nuclear region of bacteria is not surrounded by a membrane, and consists simply of a single circular double-stranded DNA molecule, which constitutes the bacterium's chromosome (genome).The bacterial cell wall is composed of a macromolecular network called peptidoglycan or murein.The cell wall that gives them their shape and provides mechanical protection, since bacteria are found in environments that can have different concentrations of solute.
Glycocalyx is the polysaccharide-containing structure located on the outer side of the bacterial cell wall.Some bacteria produce flagella, these are long, thin appendages that serve as locomotion organelles.Axial filament a series of fibrils that arise at the ends of the cell below the outer sheath and follow a helical path around the cell.The fibria are structures that enable bacteria to adhere to inert surfaces or to form films on the surface of liquids.Therefore, we can conclude that bacteria are microorganisms that contain structures required for their growth and self-replication, without them these microorganisms lose their integrity.
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A willingness to accept different ideas that may not agree with their hypothesis is called what?
Answer:
ad hoc hypotheses
Explanation:
This statement could be used for any hypothesis in which the results (different ideas) do not agree with their hypothesis. In other words, there were no verifiable tests that could make valid the accepted hypothesis.
Thus, the researcher only accepted the hypothesis without a sound basis for doing so.