Answer:
For 4.) The lighter outer part of a shadow is called the penumbra. Hope this helps ^_^
The mechanical advantage of output force/input force comes from the grater distance the pulley rope moves. The work has to be the same, by conservation of energy: 50 x = (100)(45) where x is the distance the rope was pulled.
x = 90 cm
They should hurt the species in population, health, or traits. This could happen because of factors like habitat availability or weather. Human interaction and deforestation are big factors as well
The answer is scyphozoan; anthozoan.
In the phylum cnidaria, jellies are members of the <u>scyphozoan</u> clade and corals are members of the <u>anthozoan</u> clade. Cnidaria is a phylum of aquatic invertebrates. It includes sea anemones, corals, jellyfish, box jellies, Hydra, etc. Corals are the members of class Anthozoa and jellies are members of class Scyphozoa.
<span>Genes (actually, their alleles) control traits by determining which proteins will be produced. If a plant has the allele for producing red flowers, then it will have red flowers; if the allele is not there, the flowers will be white. </span>