A diploid megaspore mother cell divides by meiosis to produce __ daughter cells, only one of which then divides by ______ to produce eight daughter nuclei, only one of which is the angiosperm egg.

Which of these determines it’s embryonic cell’s fates the earliest during development?

Which of the following organisms has continual air flow across the surface of its lungs?

Lichens are a symbiote which involves a fungus that plays host to a….

The evolution and spread of grasses on Earth has been associated with what?

Which statement about vertebrate circulatory systems is NOT true?

The secondary mycelium of a fungus which is a member of Basidiomycota (the mushroom) should have what Ploidy?

Of all these types of Fungi, which are theorized to be the oldest types/most ancestral type of Fungus? (you may choose more than one answer)

The development of what led to land becoming colonized by animals and plants? Prior to this, there was too much ultraviolet radiation which scoured the land and killed all organisms on it.

The Earth itself is roughly ____ years old.