week 12

Question 1

what are the 2 types of extreme environments

Answer 1

Abiotic- pH temp oxygen pressure salinity

Biotic- low prey availability overcrowding

Question 2

study Insects and spiders at Chernobyl– what was found why was it investigated

Answer 2

no effort was put into assessing the damage on the invertebrate taxa exposed to background radiation after the accident

census ran from 2006-2008 samples were takin from 731 points collecting invertebrates in order to develop a relationship between invertebrate abundance and radiation

results were that there was found to be a decrease w invertebrate taxa with increasing levels of radiation

radiation was found to be higest on the surface of the soil thus effecting thing slike eggs and larvel,

Question 3

what 2 speceis are found at brine lakes

Answer 3

Corixidae and Ephydra

C is the water boatmen

E is the birine flys

Question 4

what are some types of deep sea vents

Answer 4

white smokers- Cooler, shorter chimneys, and enriched with barium calcium and silicon

Black smokers- Hottest, high sulfer content which resluts in higher smoke stacks

Question 5

what are seeps

Answer 5

Associated with tectonic plates and contental magrins

is a hypersalnie fluid seepage which limits life within by life thrives in the small gradiant around the seep

Question 6

what organism thrives at deep sea seeps

Answer 6

Mussels