Which kind of neuroglial cell is found in the blood-brain barrier?

Sponges are ________.

Which of the following refers to the highest and most inclusive taxonomic category?  

Both animals and fungi digest food ____________.  

The organelle that contains chlorophyll and carries out photosynthesis in plants is the ________.    

An intrauterine device (IUD) prevents pregnancy by blocking the sperms from entering the vagina.

Which of the following organisms exhibit cephalization?

Fertilization is a process that results in the fusion of nucleus of a male gamete with the nucleus of a female gamete.

Many bacteria and fungi are important for nutrient recycling in ecosystems.  

Multicellular fungi are composed of microscopic filaments called hyphae.