What is a carbon hydrate molecule?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

True or false: the breakup of pangea resulted in warm wet global climates?

Mendel made crosses between pure-breeding y’all pea plants with purple flowers and pure-breeding short pea plants with white flowers. the alleles for a y’all height and purple flowers were dominant. this cross is written a. ttpp x ttpp b. ttpp x ttpp c. ttpp x ttpp d. ttpp x ttpp