Many amphibian populations have been decimated by a parasitic fungi belonging to which lineage?

The largest extinction event recorded in the fossil record was the Permian-Triassic extinction, which gave rise to the Mesozoic era. Nearly all multicellular life was eliminated. It is estimated that 96% of marine life and 70% of terrestrial animals went extinct.  What is one of the possible causes of that extinction event?

Which of the following are consdiered seedless vascular plants?

We see the emergence of true roots and true leaves (macrophylls) in which group of plants.

Cell walls of fungi are composed primarily of

The mycelium of fungi are made up of these long, branching filaments. What are they called? Note: spelling counts.

Cell walls of fungi are composed primarily of

For many years scientists believed that almost all animal lineages burst into being during the Cambrian era (just after the end of the Precambrian super eon).  However, there have been many recent findings of animal-like fossils and “trace fossils” (fossils of an animal-like organisms movement) from the late Precambrian.  Which of the following best explains why it took so long to realize there was animal-like life in the Precambrian?

The mycelium of fungi are made up of these long, branching filaments. What are they called? Note: spelling counts.

What is the advantage of the the origin of the nucleus according to the leading hypothesis?