Altruism in Animals _____

question 9

Multiple Choice

Altruism in animals _____.

• A) ​increasesanother individual's reproductive success at its own expense
• B) ​has no selective value
• C) ​is a recent evolutionary development observed only in mammals
• D) ​is attributable to random behavior
• E) ​is commonplace in vertebrates

---

Definitions:

Developing Root

The growth phase of a plant's root system which involves the formation, elongation, and differentiation of root cells and structures.

Developing Fruit

The growth phase of a fruit from fertilization of the ovary in plants to maturity, involving physiological and biochemical changes.

Sieve Tube Members

Plant cells that are part of the phloem, responsible for transporting sugars and other nutrients throughout the plant in a network of sieve tubes.

Nodules

In botany, swollen structures on plant roots that house symbiotic bacteria involved in the nitrogen fixation process.