A small piece of cactus beaks off the plant falls to the ground and begins to grow. - It is an Asexual reproduction.
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Ferns
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Hornworts, mosses and liverworts do not have vascular tissue. They are considered in the division Byrophyta, none of which contain vascular tissue. Ferns are a step up in complexity in the division Pteridophyta, the first plants which contain vascular tissue. </span>
Answer:
Fossils are formed in different ways, but most are formed when a plant or animal dies in a watery environment and is buried in mud and silt. Soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
Explanation:
The answer is D. Through specialized gas exchange systems.