1. In pea plants, round seeds (R) are
dominant to wrinkled seeds (r). What is
the phenotype of the genotype (rr)?

The phenotype of the genotype (rr) is wrinkled seeds.

Explanation: Dominant allele or gene is one which has the ability to express itself outwardly when it occurs together with a recessive allele. Dominant alleles are usually denoted in upper case for example R, T, A. Recessive allele or gene is one which lacks the ability to express itself in the presence of a dominant gene or allele. It is usually denoted in lower case, for example r, t, a.

Since R is for round seeds and r is for wrinkled seed; R is dominant while r is recessive, r will be able to express itself outwardly only when it occurs in a homozygous state such as in (rr). Therefore rr will manifest outwardly in the plant as wrinkled seed.

the answer to you question is   jet streams

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.