Purkinje Fibers are the fibers that spread impulses through the heart
Subtropical climate with summer highs near 77F and winters near 50F. They found fossils of palm trees on the shores but inland there were conifers& beech trees. The Antarctica circumpolar current took shape millions on years later resulting in polar climates.
A) insects
Fish, Reptiles and Amphibians are all vertebrate animals whilst insects are invertebrate! Hope this helps!
Monocots have only one seed leaf inside the seed coat. It is often only a thin leaf, because the endosperm to feed the new plant is not inside the seed leaf. Dicots have two seed leaves inside theseed coat. They are usually rounded and fat, because they contain the endosperm to feed the embryo plant. [Credit to: Monocots and Dicots - The seed site]