Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls. I don’t know if this is what u were asking but I hope it helps.
1 E-Coli Bacteria; 2 The Lenski experiments; 3 Mutation ... genomes that have many separate chromosomes with much longer ... The culture was a mixture of glucose and citrate with 10 times more ..... This hypermutation sometimes allows the bacteria to find a more beneficial gene expression more quickly.
Is there a phrase choice??
Answer:
With a single species, competition is more intense because the one specie because if the one prey they hunt is scarce, then the whole specie has a chance of dying out quicker. With two different species, they have a wider variety of prey they can hunt, who knows, the two species may hold a separate niche which can help them surpass the competition. With a singular specie with the same niche having competition, then they're niche has a greater chance of dying out. Even if one animal's niche collapses entirely, this could lead to a whole ecosystem collapsing--Considering the fact that each animal's niche is equally important to the ecosystem.
Explanation:
Density <span>water allows large organisms like the blue whale to swim in the ocean and not be crushed by their body weight.</span>
