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
Alexeev081 [22]
3 years ago
7

How much energy is available to organisms on the 5th trophic level compared with this on the 1st? How does this determine how lo

ng a food chain can be?
Biology
1 answer:
kirill115 [55]3 years ago
3 0

there is less energy on the 5th level, the less the energy, the smaller the food chain

You might be interested in
Which molecule is a first messenger but not a second messenger
k0ka [10]

Answer:

Hormones act as first messenger but not as second messengers.

Explanation:

Second messenger act as signaling molecule which are secreted in response to various biological signals generated by first messenger such as hormones,neurotransmitters etc.Second messengers include various bioactive molecules such as cyclic AMP(cAMP),cyclic GMP(cGMP),inositol triphosphate(IP3),diacylglycerol(DAG),calcium ions(Ca2+) etc.

         Hormones are extracellular signaling molecules whereas second messengers are intracellular signaling molecules.

5 0
3 years ago
HELP PLSSS<br> what are the differences between voluntary and reflex actions?
marshall27 [118]

Answer:

Voluntary are actions you consciously do where as reflex actions are just a reflex you don’t think about them you just do them

HOPE THIS HELPS

-Todo ❤️

Explanation:

7 0
2 years ago
Write down three interesting facts about the tasmainian devil,
vovikov84 [41]

The Tassie Devil has held this title for over 80 years. Prior to 1936, the largest carnivorous marsupial in the world was the thylacline, which is commonly know as the Tasmanian Tiger. The thylacline is a distant relative of the Tasmanian Devil and was over the twice it’s size!

A mother gives birth to around 20-40 Joeys at once. However, these joeys have to race to her pouch, which only has 4 teats. Talk about a hard start to life!

Although the yawn is more a display of fear and anxiety than aggression.

4 0
3 years ago
Match each description with the correct form of energy.
melamori03 [73]

chemical energy = 3

mechanical energy = 5

heat = 4

gravitational energy = 1

light = 6

nuclear energy = 2

I had the same question, and this is what I did.

7 0
3 years ago
A geneticist make radioactively labeled probes using human DNA. If one of these probe hybridizes with a small piece of DNA isola
Lunna [17]

Answer:

B the plant uses the same genetics code as human

4 0
3 years ago
Other questions:
  • Less than 1% of water absorbed by a plant is used for photosynthesis,what is the 99% used for?
    7·1 answer
  • What prevents organic molecules from forming on their own and remaining intact today?
    7·1 answer
  • How long does a penis take to develope
    13·1 answer
  • Biogeochemical cycles on Earth serve a variety of different purposes. What do the biogeochemical cycles have in common?
    13·1 answer
  • Which planet has a storm called the Great Dark Spot swirling in its atmosphere?
    8·1 answer
  • Plz Help.
    13·1 answer
  • Waters slightly positive and negative charges make it a universal _________.
    7·1 answer
  • _____ transport(s) food from the leaves to the roots. Root hairs Root caps Phloem Surface cells
    7·1 answer
  • Please help....anyone
    10·1 answer
  • 1. List the Biomes seen in the above example. Explain why adaptations are needed for each biome.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!