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Are the sexes separate or hermaphroditic in oysters?
Oysters are separate sexes, meaning that there are male and female oysters. They release eggs and sperm into the water during reproduction, and fertilization occurs externally.
Animals that have a backbone are?
Animals with a backbone are called vertebrates. This group includes animals such as mammals, birds, reptiles, amphibians, and fish. Vertebrates have a central spine or backbone made up of individual bones called vertebrae.
What are black oysters?
Black oysters are a type of edible mushroom that have a dark, velvety appearance with a distinct flavor profile. They are commonly used in culinary dishes for their earthy and rich taste. Black oysters are a popular choice for adding depth and complexity to various recipes.
Vertebrates have all the following at some time during their development except which of these?
Vertebrates have notochords at some point during their development except for adult vertebrates, which have a vertebral column instead.
Why are the fossils of vertebrates similar to the bones of living vertebrates?
Fossils of vertebrates are similar to the bones of living vertebrates because they were once part of living organisms that shared similar anatomical structures and functions. Over time, the bones of vertebrates have undergone evolutionary changes, but many core features have been conserved due to their essential functions. This similarity allows paleontologists to make informed comparisons and infer the evolutionary relationships between ancient and modern vertebrates.
