In his experiment, nicko tinbergen determined that a female wasp can find its nest by using

The correct answer would be a landmark.

Explanation:

Nicko Tinbergen did an experiment to show how a wasp navigates back to its nest, wasp marks the particular visual landmarks which could help her to return to the nest.

In the experiment, Nicko Tinbergen marked one of the nest with a pinecone. The wasp came back she was successful in returning back to the nest the next day.

After repeating this experiment for several days he was successful in finding out that on changing the position of pinecone he marked, the wasp gets drifted.

Thus, the correct answer is a landmark.

answer; a male inherits only one allele of the x-linked gene controlling hair color;

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.