1. photosynthesis
2. algae
3. chlorophyll
4. herbivore
Traditional forms shows the evolutionary steps between species
A symbiotic relationship in which one organism can take
advantage and the other is not harmed The treehopper-ant mutualism becomes
parasitic in years when spiders are rare, because the treehoppers no longer
derive a large benefit but pay a fitness cost.
Answer:
Ralph is looking at a vein (likely a muscular vein).
Explanation:
Of all three great types of vessel present in vertebrates (arterial, venous, lymphatic), only veins and lymphatic vessels may normally contain valves. This is an essential feature of vessels which present low pressure flow, since it ensures that such flow is unidirectional.
Since blood cells are not typically found in lymphatic vessels, the vessel in question can be assumed to be a vein.
Hello there!
The most plausible answer here, I believe, would be Polymerase.
Polymerase is responsible for joining nucleotides to create new strands of DNA, or, replicating. Hope this helps and have a nice day.
