Which description is evidence for the theory of plate tectonics but does not suggest that the continents were once connected? A. matching rock layers on separate continents

B. Thin layer of sediment covering the ocean floor, indicating that it was relatively young

C. Similar land features on separated, present-day continents

D. The interlocking of present-day coastlines, such as Africa and South America

B I think, but I may be wrong, the reason for my answer is because a suggests similarities, C suggests similarities and so does D partially suggesting they may have been connected

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.