Evergreens are more advantageous in the tiaga due to the fact that they retain their leaves all year round. In this manner, they are able to photosynthesize immediately when the temperature gets above freezing.

Which evidence supports the endosymbiotic hypothesis for the origin of the mitochondrion?

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

Which of the following are consdiered seedless vascular plants?

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?

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

Cell walls of fungi are composed primarily of

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.

Which evidence supports the endosymbiotic hypothesis for the origin of the mitochondrion?