Author Question: In a mature forest in a national park, maple trees grow very large and live more than 80 years. Over ... (Read 203 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
In a mature forest in a national park, maple trees grow very large and live more than 80 years. Over an average lifetime, a tree produces more than 100,000 seeds, of which only 2 to 3 sprout and grow to maturity. This maple tree is
 
  A) K-selected and exhibits a type I survivorship curve.
  B) K-selected and exhibits a type III survivorship curve.
  C) r-selected and exhibits a type I survivorship curve.
  D) r-selected and exhibits a type III survivorship curve.

Question 2

Nuclear fusion reactions
 
  A) were used in the atomic bombs dropped on Japan in 1945.
  B) require conditions that are not yet cost-efficient for the generation of electricity.
  C) are widely used today in nuclear power plants.
  D) can only occur in the special conditions of the sun and stars.



frre432

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

For a complete list of videos, visit our video library