In addition to XO and XXY karyotypes chromosome complements are present at a very low frequency in humans. Diagram possible ways that a zygote could be produced​

The science for classifying and naming organisms is known as

Name the organism that belongs to the kingdom protista.

Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia