A seller entered a contract with a buyer under which the buyer agreed to purchase certain corporate securities for $500,000. The buyer refused to go through with the purchase, contending that the entire transaction was void because of federal securities statutes. The seller thus sold the securities to another party but was able to sell them for only $420,000. The seller filed an action against the buyer in federal district court, alleging that the transaction did not violate federal securities statutes and seeking $80,000 for the buyer's breach of contract. The seller and the buyer are both citizens of the same state. Does the federal court have subject matter jurisdiction over the action

Yes.  The federal court has subject matter jurisdiction over the action because it is based on a federal statute.

Explanation:

While the state court will always have subject matter jurisdiction over most cases involving citizens of the same state, the statute under contention is a federal statute, and the defendant is claiming that the transaction violated some federal securities statutes.  Moreover, the amount that the plaintiff is asking for is more than $75,000.  As it is, the federal court has subject matter jurisdiction to hear the case.

tell me the question and i will be able to answer : )

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'