Why are some shellfish (ocean animals, like oysters, that have shells) in danger of going extinct? None of the above. Fewer shar
ks is disrupting the ecosystem for these organisms. C The ocean is getting too salty Carbon in the atmosphere is making the ocean more acidic and they can't build their shells. E Warm water is making less algae (food for shellfish)
The question is formatted a bit weird. Shellfish are in danger of being extinct because carbon makes the oceanmore corrosive and acidic, making it harder for them to build shells.
They also show the number of dependents (children and, sometimes, elderly people) and general structure of the population at any given moment.
it compares and contrast the age of th female and male where it typically forms the shape of a pyramid when the population is growing which can give you a general idea on both genders
it can help see who (female or male) are the most type in that area
The term for the type of key that biologists used in separating<span> groups of organisms that are based on couplets is called taxonomic key. This key is very useful in the identification and classification of a </span>specific organism and it usually has an analytical characteristic.<span> </span>