If 159,000 kcal of energy is available in the producer trophic level, how much kcal of energy is avaible for the secondary consumers? 1590 kcal
159 kcal
1,590.000 kcal
15.900 kcal
Plz help me I don’t understand

≅200-130 milions years ago pangea splited in 2 continents

tsd is temerature dependent sex determination.

tsd: it is a type of environmental sex determination in which the temperature experienced during embryonic/ larval development (ambient temperature for development) determine the sex of the offspring.

crocodile displays the tsd where the ambient temperature of the developing egg determines the individual's sex. for example in the american alligator's eggs, incubation at 33 ºc produces mostly males, while incubation at 30 ºc produces mostly females. so if the american alligator's egg will get the ambient temperature (33 degree celcius)during embryonic development from egg, the offspring will be male and same for the female sex determination.

black

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