Multicellular fungi are composed of microscopic filaments called hyphae.

Which of the following is not a characteristic of protists?   

Sponges are ________.

Follicle-stimulating hormone (FSH) ______________.

Human beings are multicellular eukaryotes.  

A lichen is composed of a fungus and an bryophyte such as a moss. 

In global ecosystems, fungi act primarily as ___________.  

The usual sex chromosomal combination for a human male is XXY.

Phloem is the tissue of a vascular plant that conducts water and dissolved minerals from the roots to the leaves. 

Human zygotes usually contain 23 pairs of chromosomes.