1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Akimi4 [234]
3 years ago
13

Pls help me iam sitting here for 3 hours iam so overwhelmed my teacher gave me like billions of woek iam trying them i wrote my

answer but idont know if its good or not to submit iam confused
An investigation was carried out over a five-year period to measure the effect of color on the survival of trout in a stream. The stream contained many brightly colored stones and food was plentiful. At the start of the investigation (year 0), 100 bright-colored trout and 100 drab-colored trout were placed into a section of the stream that had been blocked with netting. Investigators monitored the trout populations for five years and recorded the water condition each time a count was done. The data collected are shown in the table below.
Year Bright colored trought Drab colored trought condition of water
0 100 100 clear
1 64 36 clear
2 86 25 clear
3 25 77 cloudy
4 14 86 cloudy
5 90 9 clear

How does this demonstrate that natural selection depends on the environment? This will be graded based on your overall claim and supporting statements, use of direct evidence from the data table, and your reasoning (CER).
Biology
1 answer:
laiz [17]3 years ago
7 0

Answer:

answer it by ur self

You might be interested in
What abiotic things control population size and what are these called?
Andrej [43]
Some abiotic factors that can limit a population are space and weather these are called limiting factors (and how much water is provided)
5 0
3 years ago
According to cell theory
bazaltina [42]

Answer:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells

Explanation:

7 0
3 years ago
Which organelle brakes down sugar molecule that supply energy to the cell
hjlf

The Mitochrodria helps break down sugar and turns it into energy

8 0
4 years ago
Why do we see different phases of the lunar cycle?
I am Lyosha [343]

Answer:

D most likely. As the moon revolves around Earth, the different amounts of the sunlit side faces Earth

Explanation:

We never really see the other sides of the moon, it's always facing one side to us.

4 0
4 years ago
Read 2 more answers
Sound quality can be divided
iris [78.8K]
Sound quality can be divided into amplitude, timbre and pitch. If there’s an impedance mismatch between your two devices connected to the single output, you could have a large mismatch between the levels arriving at each device. If the difference is large enough, one device may have distorted or inaudible audio.

To avoid this, you should ensure that both devices connected to the split signal are similar - such as 2 pairs of headphones, 2 recorder inputs, and so on. When you place 2 devices with wildly differing load impedances on a splitter is when you’ll encounter problems - such as headphones on one split and a guitar amp input on the other.

To get around this, you can use either a distribution amplifier (D.A.) or a transformer balanced/isolated splitter - which will work over a larger range of load impedances, typically. Depends on the quality of the splitter and the exact signal path. If you’re using the splitter to hook two things into one input, and you’re using quality connectors, you probably won’t lose much quality. There can be an increase in impedance of the cable due to the imperfect continuity of the physical connection, however with unbalanced line-level signals, impedance at both ends of the chain tends to be orders of magnitude higher than the connection will create, so one split will be barely noticeable. So too, the noise increase from the additional length of cable.

Now, one source into two inputs, that will by basic math and physics result in a 3dB drop in signal strength, which will reduce SNR by about that much. By splitting the signal path between two inputs of equal impedance, half of the wattage is being consumed by one input and half by the other (the equation changes if the inputs have significantly different impedances). So each input gets half the wattage produced by the source to drive the signal on the input cable, and in decibel terms a halving of power is a 3dB reduction. Significant, until you just turn the gain back up. The “noise floor” will be raised by however much noise is inherent in the signal path between the split and the output of the gain stage; for pro audio this is usually infinitesimal, but consumer audio can have some really noisy electronics, both for lower cost and because you’re not expected to be “re-amping” signals several times between the source and output.

8 0
3 years ago
Other questions:
  • Consider a simplified metabolic model to describe nitrogen metabolism in the body. Nitrogen is ingested in the food (F), a fract
    9·1 answer
  • The theory of evolution through natural selection is considered a scientific theory because _____.
    5·1 answer
  • What are the subunits called that make up carbohydrates?
    15·1 answer
  • Cells produce ATP both aerobically and anaerobically. One process is an integral part of aerobic respiration that produces the m
    10·2 answers
  • In subduction zones, dense pieces of oceanic crust are pulled downward toward the mantle. Which of the following forces drives t
    8·2 answers
  • What organism did Gregor Mendel‘s research involves
    11·2 answers
  • What is an example of a magnetic field line?
    8·2 answers
  • To use less of a resource
    14·1 answer
  • postcranial changes in hominins that indicate bipedal locomotion include group of answer choices shortening and broadening of th
    6·1 answer
  • What factors influence the contribution of carbohydrates vs. fats as fuel to make atp?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!