Poaching is the act of illegally killing an animal. The very prominent subject of poaching is the rhino, some species of which are now virtually extinct due to extensive illegal hunting. However, many other animals are also poached. For example, elephants are poached for the ivory in their tusks. Tigers are poached as trophy animals or for traditional medicine. Sea turtles and lemurs also suffer a similar fate for similar reasons.
The poaching of these animals has driven their population into corners, where they face imminent extinction. Although rehabilitation efforts are extensive, it is unlikely that the populations of these animals will recover unless the poachers are stopped first.
<span>D All organisms experience evolution
</span>Common ancestry is identified in the genes. Selection forces are the drives to these physical and composition changes of an organism however, it can be traced back.
<span>Adaptation processes occur to help species survive and thrive in the ecological balance of life. Structural adaptations are physical features of an organism that adapted through time. </span>
Answer:genetic variation of offspring
Explanation:
Answer:
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Explanation:
a.- Tertiary
b.-
A.- α-Helix
C.- Disulfide bridge
D.- Hydrogen bonding
E .- Hydrophobic interaction
B.- Ionic bond
20.-
2.- α-Helix and β pleated sheets
4.- Collagen and hemoglobin
1.- Determined by the sequence of DNA bases
2.- Form stabilized by hydrogen bonds
3.- Form stabilized by hydrogen bonds, ionic bonds, hydrophobic interactions and disulfide bridges.
4.- Globular proteins
4.- Interaction among several polypeptide chains
3.- Many enzymes
2.-Regular, repeated folding of the peptide chain
1.- Sequence of aminoacids in a protein
