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MAVERICK [17]
2 years ago
12

what are some aspects of a species' evolution that can't be studied using fossil evidence? Why don't fossils provide information

about these characteristics?
Biology
1 answer:
kozerog [31]2 years ago
7 0
Fossils records provide evidence about the history of life on Earth including how organisms have changed over time. It tells about the structures of ancient organisms, their environment, and the way they lived. However, fossils can not usually provide information about soft tissues of an organism because soft tissues rarely become fossilized. Additionally, fossils rarely provide information about interactions among organisms and therefore tell us little about animal behavior. 
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Using the data, choose one of the 3 possible problems below. Justify your choice by writing a hypothesis to explain how it has s
amm1812

Answer:

Low Enzyme Production is the reason for no breaking down of food.

Explanation:

If the digestion of food did not occur so it means that there is low enzyme production because enzymes are responsible for the breaking down of food substances into simpler ones in order to absorb by the cells for the generation of energy in the form of ATP. So we can conclude that low enzyme production is the only reason for the stopping of breaking down or digestion of food.

7 0
2 years ago
Choose the statements below that are true. Cells are the smallest unit of life. Cells are important to the structure and functio
Irina-Kira [14]

Cells are the smallest unit of life. This is true.

Cells are important to the structure and function of living things. This is true.

All organisms are made of multiple cells. This is false, because there are many single celled organisms like bacteria.

Cells come in different shapes and sizes. This is true, as there are cells with a variety of shape and size (round shaped cocci and the elongated and flat bacillus). There are cells from squid's nervous system, called the neurons, that are comparatively very large in size than the vast majority of the other cells.

6 0
2 years ago
Read 2 more answers
Which molecule listed is most likely to cause osmosis in the body? protein glucose oxygen sodium chloride?
mario62 [17]

The answer is protein

Osmosis happens when the osmotic pressure of two container separated by semipermeable membrane is different. The osmotic pressure could be exert by polar solute because they will attract water molecule. Protein, glucose, and sodium chloride is the common molecule that could cause osmosis. But protein is the main substance that keep the osmotic pressure of the blood in the body.

3 0
2 years ago
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A student views the image of a cell magnified 40000 times the image is 50mm long calculate the actual length of the sample in mi
igor_vitrenko [27]

Answer:

  1.25 µm

Explanation:

The cell will have a length dimension that is 1/40000 times the length of the image:

  (50·10^-3 m)/(40·10^3) = 1.25·10^-6 m = 1.25 µm

8 0
2 years ago
Normally, when food is placed in the mouth of any animal, the salivary glands start releasing saliva to help with chewing and di
frosja888 [35]

Answer:

An unconditioned response.

Explanation:

Pavlov was the process of studying salivation in dogs as a part of a research program on chewing and digestion. This is known as a normal reflex that is under personal choice or control and also called an unlearned evolutionary response.

In terms of Pavlov's analysis of learning, Pavlov built a device that would help to accurately measure the amount of saliva produced by dogs. In the case of Pavlov dogs, the food is called as the stimulus and salivation is called as a response.

3 0
2 years ago
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