Answer:
un sapo puede cambiar su sexo a hembra para que puedan reproducirse incluso si no hay ninguna hembra.
Explanation:
Answer:
An anticodon is a trinucleotide sequence complementary to that of a corresponding codon in a messenger RNA (mRNA) sequence. An anticodon is found at one end of a transfer RNA (tRNA) molecule.
Explanation:
1, as the energy comes from the sun, then plants get it through photosynthesis, and finally the consumers obtain the energy from consuming animals on a lower trophic level than themselves. energy cannot flow down the food chain, only up.
Answer:
legumes are able to form a symbiotic relationship with nitrogen-fixing soil bacteria called rhizobia.The result of this symbiosis is to form nodules on the plant root,within the bacteria can convert atmospheric nitrogen into ammonia that can be used by the plant
The variable that researchers manipulate is the independent variable.
The reason for this is because in experiments different manipulations are often introduced. The sole purpose of these manipulations is to see whether they will affect our independent variable and if they will change its value.