What Can You Conclude About a Species Heavily Reliant on Diffusible

question 55

Multiple Choice

What can you conclude about a species heavily reliant on diffusible morphogens in early development?

• A)They are likely to have incomplete cleavage (a syncytium).
• B)They are likely to lack an organizer.
• C)They are likely to have activation via a calcium wave.
• D)They are likely to have small amounts of yolk and holoblastic cleavage.

---

Definitions:

BMR

Basal metabolic rate, which is the rate of energy expenditure per unit time by endothermic animals at rest.

ACTH

Adrenocorticotropic hormone, a hormone produced by the pituitary gland that stimulates the adrenal glands to release cortisol.

Premature Old Age

A condition in which an individual shows signs and experiences conditions associated with aging earlier than the expected chronological age.

Childhood

The period in a human's life from birth to puberty.