The diagram shows the life cycle of a fern.
Which labels belong in the areas marked 1 and 3?
1 - Zygote
3 - Spores
1 - Spores
3 - Zygote
| 1 - Sporophyte
3 - Gametophyte
O 1 - Gametophyte
3 - Sporophyte

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

What's the waste product of electrons and pyruvate combining in fermentation?  

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.