Hormones and Pheromones

Question 1

What is chemical coordination?

Answer 1

production and distribution of chemicals that regulate and coordinate biological activities

Question 2

What are hormones?

Answer 2

any chemical produced and secreted by organ or tissue that is carried by body fluids to exert influences elsewhere

Question 3

What type of chemicals are hormones?

Answer 3

does not belong to a specific chemical compound class

Question 4

What are two characteristics of hormones?

Answer 4

does not produce the same effect (can be inhibitory or excitatory)

target site must recognize hormone from other chemicals

Question 5

How are hormones recognized?

Answer 5

interaction between hormone and cell surface

Question 6

What are endocrine hormones?

Answer 6

produced by isolated glands and released into the circulatory fluid that reaches all body part

Question 7

What are neurohormones?

Answer 7

produced by neurosecretory neuron cells

Question 8

What are interorganismal hormones?

Answer 8

chemicals produced by organs and released into the environment, effecting other organisms

Question 9

What group has intraspecific interorgnaismal hormones, and what is it used for?

Answer 9

insects- mate attraction, population coordination

Question 10

What group has interspecific interorganismal hormones, and what do they do?

Answer 10

starfish- release chemicals into water to elicit response from prey

Question 11

Where does study of invertebrate hormones come from?

Answer 11

mostly insects and crustaceans

Question 12

What do arthropod hormones do?

Answer 12

growth, molting, reproduction, eye pigment migration

Question 13

What do annelid hormones do?

Answer 13

growth, regeneration, sexual maturation, and stolen formation