Earlier arriving species tend to be r-selected species, which are better dispersers, whereas later arriving species are generally K-selected species, which are better competitors.

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#Id: 4326

#Unit 11. Evolution and Behavior

He correctly predicted that sterilized broth in his swan-neck flasks would remain sterile as long as the swan necks remained intact.

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#Id: 2768

#Unit 13. Methods in Biology

Footprinting is a means of finding the target DNA sequence, or binding site, of a DNA-binding protein.

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#Id: 4753

#Unit 5. Developmental Biology

AB cell in isolation makes only a small fraction of the cell types it would normally make.

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#Id: 10489

#Unit 4. Cell Communication and Cell Signaling

Cytotoxic T cells release granules containing the proteins perforin and granzyme-B

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#Id: 6084

#Unit 10. Ecological Principles

The Andes Mountains Tropical Hotspot is the world's most diverse hotspot Philippines More than 7,100 islands fall within the borders of the Philippines hotspot, identified as one of the world’s biologically richest countries