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
Zigmanuir [339]
4 years ago
7

PLEASE HELP!

Biology
1 answer:
natka813 [3]4 years ago
6 0

When organisms use organic matter for cellular respiration, all the matter goes back into carbon dioxide, water, and minerals, while all the energy leaves the ecosystem as heat (which is ultimately radiated out into space). So matter cycles, energy flows through ecosystems.

You might be interested in
Q.O.H.E.C.C.C.
MissTica
Hijhtukjgtyijffryikmjgdrtjk
5 0
3 years ago
Read 2 more answers
What is the role of calcium in muscle contractions?
Firdavs [7]

Answer:

Inside the muscle, calcium facilitates the interaction between actin and myosin during contractions (2,6). ... Calcium binds to the troponin, causing a position change in tropomyosin, exposing the actin sites that myosin will attach to for a muscle contraction (5,6). Blood Clotting. Without calcium blood would not clot.

Explanation:

5 0
3 years ago
Which of these is a piece of evidence supporting the theory of evolution?
nikklg [1K]

Answer:

The correct answer is option A.

Explanation:

Emus are flightless birds that are native to the African part of the geological location. It is the second largest bird on the planet that can not fly but run very fast.

They show similarities with their Australian cousin ostriches. Ostriches are found in Australia, these are the largest bird on the planet. These are also flightless birds and run up to 45 MPH.  

Thus, the correct answer is option A.

7 0
3 years ago
Read 2 more answers
Help please!!
sdas [7]

Answer:

Better healthcare

Rise in birthrate

Food security

Lack of awareness/ education

Cultural influences

Lack of family planning

Religious propagation

Malicious intent to change demographics

Immigration

For Social support

Perception of marriage & family.

Explanation:

This rapid population growth has an adverse effect on the natural resources and quality of life.

However, overpopulation has a deleterious effect on the environment due to the current lifestyle.

There would be rampant exploitation of natural resources, excess human waste accumulation, chances of epidemics, etc.

Besides, it would also lead to socio-economic problems like poverty, malnutrition, violence, corruption, etc.

Human overpopulation occurs if the number of people in a group exceeds the carrying capacity of the region occupied by that group.

6 0
3 years ago
Where are seeds produced in a plant
MrRissso [65]
Plants produce<span> flowers to make </span>seeds<span>.</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • What phenotype would an offspring have if one of the parents were homozygous dominant for a trait
    6·1 answer
  • What is the main difference between primary and secondary succession? <br> Plz help!
    15·1 answer
  • Which cell is the most specialized?
    12·2 answers
  • PLEASE HELP GIVING 25 POINTS
    9·2 answers
  • Compound microscopes focus light through ______ to produce a magnified image.
    12·1 answer
  • Why are proteins so important? What are some of the things that they do?
    10·1 answer
  • a. Hypothesize the mode(s) of selection exerted by wasps on gall size of Eurosta. Explain your rationale. b. Hypothesize the mod
    6·2 answers
  • 1. mutations cause A. DNA screenings B. genetic finger prints C. genetic disorders D. protein synthesis
    14·1 answer
  • ¿ Como recuperarías la Dieta Prehispánica y las tradiciones alimentarias que nos heredaron nuestros antepasados?
    15·1 answer
  • The motion of an object can be changed if a(n)______is<br> applied on the object.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!