A(n)\ is an area of the planet that shaves similar conditions of climate, fauna (animal life), flora (plant life) and geography . 1.biome
2.environment
3.habitat
4.ecosystem

9. wind power creates pollution. water air soil noise

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra