Pls help i will mark brainliest What is a similarity between the ovule and the stigma?

The ovule and stigma both produce the plant's pollen.
The ovule and the stigma are both a part of the pistil.
The ovule and stigma both produce the plant's fruit and seeds.
The ovule and stigma are both located on the male reproductive part.

Which technically is nasa developing that will astronauts reach mars

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?