Final answer:
Different types of gymnosperms have different characteristics. The sequoia tree holds the record for the largest tree, cycads can survive in extreme environments, ginkgo trees are ancient, and conifers produce large cones.
Step-by-step explanation:
The gymnosperm that holds the record for the largest tree in the world is the sequoia tree. These trees can grow to be over 300 feet tall.
The gymnosperm that can survive in hot deserts and tropical rainforests is the cycad. Cycads are known for their ability to tolerate extreme heat and dry conditions.
The gymnosperm that is sometimes called the 'living fossil tree' due to its ancient ancestors is the ginkgo tree. Ginkgo trees have a fossil record that dates back nearly 270 million years.
The gymnosperm that produces cones the size of a football is the conifer. Conifers, such as pine trees, produce cones as their reproductive structures.