Answer:
1977 is when people first knew about archaebacteria
Answer:
A. Division of labor.
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Most sponge body plans are slight variations on a simple tube-within-a-tube design. which of the following is a key limitation of sponge body plans? sponges lack the specialized cell types needed to produce more complex body plans. the reliance on osmosis/diffusion requires a design that maximizes the surface area to volume ratio of the sponge. choanocytes must be protected from the hostile exterior environment. spongin cannot support heavy bodies.
Homologous chromosomes line up in a pairwise fashion on the equatorial plate during Meiosis during Metaphase I only.
In mutualistic coevolution, two species that benefit from each other evolve together. In competitivecoevolution<span>, prey will evolve traits to prevent being eaten, and predators will then evolve to be able to eat their prey. This type of interaction is also called an evolutionary arms race.</span>
