Genotype is what you can see on an organism and phenotype is what can’t see
If the egg is fertilised the embryo plants itself in the uterine lining. Without this it would not survive
Answer:
Greco-Roman world
Explanation:
The Mediterranean world which comprises of areas around the land regions of the Mediterranean and Black Sea Basins were influenced in various forms such as culture, language and the style of government by the Greeks and Romans.
These people were majorly involved in the civilization of the Mediterranean region. This makes the Mediterranean world to also be called the Greco-Roman world.
Answer:
The starfish Pisaster ochraceus is a keystone species in the rocky marine intertidal communities off the northwest coast of North America. This predatory starfish feeds on the mussel Mytilus californianus and is responsible for maintaining much of the local diversity of species within certain communities. A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche.
Explanation:
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Water and carbon dioxide are byproducts. Notice that photosynthesis and respiration are essentially the opposite of one another. Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.