1. Presence of coelom
2. Pharyngeal gill clefts in the early embryonic stages
3. A diaphragm that separates thorax from abdomen
4. Dorsal nerve cord
A diaphragm that separates thorax from abdomen
1. Hibernation
2. Metamerism
3. Anaerobic respiration
4. Sexual dimorphism
Sexual dimorphism
1. low temperature
2. high temperature
3. radiation
4. pollution
radiation
1. benthic brown algae,coastal red algae and daphnids
2. benthic diatoms and marine viruses
3. sea grasses and slime molds
4. free-floating micro-algae, cyanobacteria and nanoplankton
free-floating micro-algae, cyanobacteria and nanoplankton
1. photoautotrophs
2. chemoautotrophs
3. saprozoicqa
4. coproheterotrophs
chemoautotrophs
1. sandy soils
2. saline soils
3. marshy places and salt lakes
4. dryland regions
marshy places and salt lakes
1. rennin
2. invertase
3. amylase
4. intestinal bacteria
rennin
1. Chlorophyll
2. Water molecule
3. O2
4. RuBP
Chlorophyll
1. Sebum—Sexual attraction
2. Sweat—Thermoregulation
3. Saliva—Tasting food
4. Tears—Excretion of salts
Sweat—Thermoregulation
1. ADP
2. ATP
3. RuDP
4. chlorophyll
ATP