The baglike structure that contains a clear fluid in which the developing embryo floats is called the Amnion.
<h3>
What is an Amnion?</h3>
The  membrane that  covers the embryos of  reptiles, birds, and the mammals when first formed is called Amnion. 
 It contains amniotic fluid, which serves as an amniotic sac that provides a protective shield for the developing embryo. Together with the amnion, contains the
-  chorion 
- the yolk sac
- allantois
with different functions to  protect the embryo.
The amniotic sac in humans is enclosed in the uterus while for birds, reptiles ,it is enclosed in a shell.
Read more on amnion here : brainly.com/question/23393678
 
        
             
        
        
        
There is competition among species when they jostle for scarce resources.
<h3>What is competition?</h3>
The term competition has to do with a situation in which members of the same species scramble for scarce resources.
The following are the definitions of the types of competition;
- interference competition - An individual directly interacts and changes the way other individuals attain resources.
- apparent competition - Individuals do not compete directly for resources, but are prey for the same predator.
- exploitation competition -  Individuals interact indirectly while competing for common resources.
Learn more about competition among organisms:brainly.com/question/13775651
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True millions of different species live on coral reefs
        
             
        
        
        
Answer:
 Which two details from the short story excerpt BEST support the correct answer above? A) "As if that could have anything to do with --with--My, wouldn't they laugh?" (section 1) "But you know juries when it comes to women. If B) there was some definite thing--something to show." (section 2) "No, Mrs. Peters doesn't need supervising. For that matter, a sheriff's wife is married to the law." (section 3) D) Then Martha Hale's eyes pointed the way to the basket in which was hidden the thing that would make certain the conviction of the other woman-- (section 4) Martha Hale snatched the box from the sheriff's wife, and got it in the pocket of her big coat just as the sheriff and the county attorney came back into the kitchen (section 5) E)
 
        
             
        
        
        
According to the 2011 Earth Science Reference Table, Selenite Gypsum has an approximate hardness of 2. 
The hardness of calcite is 3. 
The hardness of apatite is 5 according to the Moh's hardness scale. 
The hardness of diamond is 10.