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
ella [17]
3 years ago
7

What do scientists think the first organisms on Earth were?

Biology
1 answer:
Setler [38]3 years ago
4 0

Answer:

Ameboas

Explanation:

You might be interested in
When the ecf loses fluids, the kidneys and baroreceptors are stimulated to send signals to the endocrine system and certain effe
alexandr402 [8]
The correct option is ALDOSTERONE.
Angiotensin ll is one of the most potent sodium retaining hormones. It regulates aldosterone release from the adrenal cortex. The aldosterone hormone stimulates sodium re-absorption through mineralocorticoid receptors in the connecting and cortical segments of the collecting tubules.
7 0
3 years ago
What is the difference between an eco region and an ecosystem?
KiRa [710]

Both biome and <span>ecoregion </span>are ecological terms. Biome refers to a major regional group of plant and animal communities adapted to the natural environment. Biome can be of two types: terrestrial(land) andaquatic(water). <span>Ecoregion, </span>which is an abbreviated form of ''ecological region', refers to a smaller class. Each <span>biome </span>consists of severalecoregions, an ecoregion(also called bioregion) covering a realm of land/water having geographically distinctive communities, sharing the same envoronmental conditions and ecological dynamics.

Yes, an ecoregion does consist of different ecologically distinctive communities and species.

5 0
3 years ago
HELP ME PLS I DONT UNDERSTAND :( WILL GIVE BRAINLIEST 2 QUESTIONS
Serhud [2]

Answer:

1. D, because plants are the main producers

2. B, because the wind direction makes Seattle coo and dry, and the mountain block some of the wind for Spokane

Explanation:

5 0
3 years ago
Many bacteria exist in biofilms in nature. Based on the information in the passage and in the chapter, is it possible to create
steposvetlana [31]

Answer:

The correct option is B

Explanation:

5 0
3 years ago
In the skeletal system, which are the two main tissues responsible for structural support in the body?
attashe74 [19]
Bones and cartilages <span />
5 0
4 years ago
Other questions:
  • It is important that classification principles be standardized in order for all scientists to follow the same set of rules. An e
    13·1 answer
  • How do the particles in plasmas compare with the particles in solids?
    8·2 answers
  • Which of the following is an invasive species in Texas?
    8·1 answer
  • What is Cross-pollination.​
    13·2 answers
  • Please help no copying i need this in less than 30 minutes please helppppppppppppp
    8·1 answer
  • Which of the following is a type of asexual reproduction?
    14·1 answer
  • A seed plant is held in the group by its<br>​
    7·1 answer
  • 4. What is the transport of fluids in the cell called? *
    10·2 answers
  • PLEASE HELP ME THIS IS PART 2!!!!!!!!! I WILL MARK BRAINLIEST
    8·1 answer
  • Nucleic acid *
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!