Why aren’t there many fossil jellyfish?
Answer:
Jellyfish are invertebrates, so they do not have the hard body parts that favor fossilization
There aren't many jellyfish fossils because they are made of soft tissues and they don't have and bones.
I hope this helps!
Select the term that is suggested by the figure. Then state whether the term is an undefined term or a defined term. The image suggests the term line segment, ray, or point , which is defined or undefined term.
The above image shows the defined term and in image there is a ray, line segment and point.What is Ray, line segment and point?
1:-Ray is part of line and it is combination of line and line segment that has a infinitely extending and one end end is terminating end and another end is non-terminating. Length of ray can't be measured.
2:- A line segment is a part of line which have two end points. In above figure M and L is a two point so ML is a line segment. The measurement of line segment is called length. It has a fixed lengthy which can easily.
3:- A point is dot on a piece of paper it doesn't have length width or any other dimension. It's helps to find the position or location in a plane. In above figure M and L is consider as a point.What is Ray, line segment and point?
What is ray?Ray is part of line and it is combination of line and line segment that has a infinitely extending and one end end is terminating end and another end is non-terminating. Length of ray can't be measured. A line segment is a part of line which have two end points. In above figure M and L is a two point so ML is a line segment. The measurement of line segment is called length. It has a fixed lengthy which can easily. Point A point is dot on a piece of paper it doesn't have length width or any other dimension. It's helps to find the position or location in a plane. In above figure M and L is consider as a point.
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P waves move can travel through liquid.
true or false
(TEST HELP!!!)
Answer:
The answer to your question is true
please help! does anybody have the determining geologic ages lab answer key chapter 13??
R u cheating again hmmmmmmmmmmmmm
The pancreas releases _________ to buffer the pH of the stomach juices.
A. A strong base to counter the strong acid.
B. HCl.
C. NaHCO3.
D. Pepsin.
E. ATPase-activating protein.
Why is it necessary that only one variable be changed in an experiment, and that all other variables remain constant? Need help ASAP!
Answer:
It is necessary to only change one variable when experimenting, because then you see what happens when that one specific variable changes. If you changed two at one time and your experiment turned out different, you wouldn't know which variable caused the change.
hope this helps
In an experiment, the change only in one variable possible, because it shows what happens when one specific variable changes.
If both the variables are changed at a time we cannot know which variables cause changes.
What are the types of variables in experiment ?A variable is defined as any property, number, or number of items that can be counted or measured.
An independent variable is a singular characteristic, Age is an example of an independent variable.
A dependent variable relies on other variables. For example a grade on an exam is a dependent variable mainly depend on Independent variables.
An intervening variable or mediator variable used to explain a cause or connection between dependent and independent variables.
Control variable remain constant and no effect on other variables. It is used to prevent bias in an experiment.
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What is purpose of life
Answer:
to live
Explanation:
to make the most of it
Answer:
to enjoy it while you have it
Darwin noted that ___________communities are often missing plants and animals typically found on continents.
Answer:
dry
Explanation:
because dry communities dony have much plant and wildlife because of the shortage of water
Darwin noted that island communities are often missing plants and animals typically found on continents.
What theory did Darwin propose?Darwin proposed the theory of natural selection. It is the evolutionary change that is significantly based on the differential reproductive success of individuals within a species. He observed this process of natural selection in the Galapagos islands.
Darwin observed that the plants and animals of the Galapagos Islands were the same as those on islands off the coast of Africa with similar environments. Natural selection can cause the spread of an advantageous adaptation throughout a population.
Therefore, Darwin noted that island communities are often missing plants and animals typically found on continents.
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The three methods of reproduction are:
