Kingdom Protists is the kingdom that is composed if eukaryotes which are mostly unicellular and that can be heterotrophic and or autotrophic.
Answer:
The left side of the heart receives oxygenated blood from the pulmonary vein and pumps it into the aorta, while the right side of the heart receives deoxygenated blood from the vena cava and pumps it into the pulmonary vein. The pulmonary vein and aorta also have valves connecting them to their respective ventricle.
Explanation:
Answer:
A grassland region with one ecosystem, which supports very large populations of a few different species
Explanation:
The answer to which of the following is extrusive is letter B. lava
Answer:
The traits that all the solar system models do share is that they have <u>a circular orbit around the sun.</u>