Étant donné que les personnes non apparentées ont presque
certainement un nombre différent d'unités de répétition, les DOS
peuvent être utilisées pour faire la distinction entre des personnes
non apparentées. Ces loci STR (emplacements sur un
chromosome) sont ciblés avec des amorces spécifiques à la
séquence et amplifiés par PCR. ... Ainsi l'analyse STR fournit un
excellent outil d'identification.
Downstream river would have less water, so there would be less fish to catch.
River re-routing is a process wherein the mouth of the river is mouth to another location. Thus, existing mouth of the river will lose its water source and have less water. Fishes in the existing river path will decrease because of the decreased level of water.
Copepod, (subclass Copepoda), any member of the widely distributed crustacean subclass Copepoda. Copepods are of great ecological importance, providing food for many species of fish. Most of the 13,000 known species are free-living marine forms, occurring throughout the world's oceans.
Answer:
Actually, a leaf's design must be open enough to capture sunlight for all-important photosynthesis. It also needs to make sure a leaf is shaped in a way that ensures the pores — called stomatae — can soak up enough carbon dioxide, which helps fuel that process. How is a leaf adapted for photosynthesis? Leaves have a large surface area so more light hits them. ... The palisade cells contain many chloroplasts which allow light to be converted into energy by the leaf. The leaf also has air spaces which allow better diffusion of carbon dioxide into the leaf.
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