1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
DENIUS [597]
3 years ago
5

Many insects, fish, and mammals release certain chemical messengers to signal reproductive readiness. What are these messengers

called?Select one of the options below as your answer:A. Hormones B. Pheromones C. Enzymes
Biology
2 answers:
My name is Ann [436]3 years ago
8 0
Hormones I believe so
larisa86 [58]3 years ago
6 0
A: hormones definetly
hope this helps!!!
You might be interested in
Can someone help me with number 8 and 9?
elena55 [62]
Acceleration is change in velocity divided by time or
V/t so 60/3 = 20

Acceleration refers to the velocity (magnitude and direction) and speed refers only to the highest rate of speed something can obtain.
5 0
3 years ago
Natural selection can occur as a result of...
Neporo4naja [7]

Answer:

a

Explanation:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

8 0
3 years ago
Read 2 more answers
Is baking a cake a chemical or physical change?
aleksandrvk [35]
It is chemical because of the heat and gas which causes air bubbles
8 0
3 years ago
Read 2 more answers
According to this spirographic record, what is the total volume of exchangeable air for a normal male?
balandron [24]
The appropriate response is 4800 milliliters. The aggregate volume of replaceable air (key limit) for a typical male is the measure of air that can be drawn into the lungs after a constrained exhalation and, for this situation, is 4800 milliliters.
4 0
4 years ago
Which of the following provides the best comparison between reptiles and fish?
PtichkaEL [24]
They are both ectothermic, but fish have gills, and reptiles have lungs.
5 0
4 years ago
Read 2 more answers
Other questions:
  • What membranes allow only certain materials to pass through them?
    6·1 answer
  • The karyotype of one species of primate has 48 chromosomes. In a particular female, cell division malfunctions, and she produces
    15·1 answer
  • Which statement best describes the kinds of questions science can answer?
    11·1 answer
  • When It rains ? dissolves out of rocks so it can be used by plants, which then are eaten by animals.
    13·2 answers
  • 2. Photosynthetic organisms are also called
    8·1 answer
  • What is RBC and WBC what are their functions?
    12·2 answers
  • what are some advantages and disadvantages of using permanent slides as opposed to temporary slides to view tiny aquatic animals
    9·1 answer
  • explain how the understanding of atomic emission spectrum led to the development of the atomic theory
    13·2 answers
  • Plz help help help help
    14·1 answer
  • What is cyclin dependent kinase?​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!