Which statements are part of the theory of endosymbiosis? Select all that apply.

Early prokaryotes were able to carry out aerobic respiration and were engulfed by eukaryotic cells.
Early anaerobic prokaryotes engulfed aerobic prokaryotes, which evolved into mitochondria.
The first cells that appeared on Earth were eukaryotic and were engulfed by prokaryotic cells.
Some early eukaryotic cells engulfed photosynthetic prokaryotes, which evolved into chloroplasts.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

no i don't feel that humans have oversubscribed some medications