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
tiny-mole [99]
2 years ago
12

1. Sharks appear.

Biology
1 answer:
ra1l [238]2 years ago
4 0

Answer:

3 1 2

Explanation:

simple organisms apeared first insects would be less complicated than fish the came sharks as they are more complex organisms also insects were first to be food for fish and fish food for sharks

You might be interested in
What happens in the alveoli in the process of gas exchange
Andreas93 [3]
Inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli. This is what happens in the alveoli during gas exchange
4 0
3 years ago
The width of the labelled cell in Figure 4 is 6 mm. The cell has been magnified 750 times.
Paul [167]

Answer:4,500

Explanation:6mm times 750 equals 4,500

7 0
3 years ago
A lichen is a combination of fungus and algae that lives on the sides of trees, rocks, and other materials. The fungus provides
Softa [21]

Answer:

Mutualism

Explanation:

Organisms in an ecosystem interact with one another from time to time. The close interaction between two organisms is referred to as SYMBIOSIS. Symbiosis is of different types depending on the how it affects the involved organisms. The example in this question depicts MUTUALISM.

Mutualism is the type of symbiotic relationship between two organisms in which both organisms benefit from the relationship. This is the case of the LICHEN, which involves the Algae and Fungi. The algae benefits by making use of the water and minerals supplied by the fungi while the fungi benefits by using the food the algae produces via photosynthesis.

8 0
3 years ago
Name a land animal that is sessile. Why would this
TEA [102]
Scale insects mature as sessile.
Is a disadvantage because sessile means nonmotile, which means food has to be readily there for them which it's just not bc land animals typically have to keep moving to survive
6 0
3 years ago
Which type of organism is responsible for performing the majority of nitrogen fixation..??
ratelena [41]

the answer is D. Bacteria

8 0
3 years ago
Read 2 more answers
Other questions:
  • If embryonic testes do not produce testosterone, a genetic male develops female external genitalia. however, if embryonic testes
    8·1 answer
  • Visit the website below and use the information to answer the following questions. Female Reproductive System How is the reprodu
    7·2 answers
  • How does a coastline change earths surface
    13·1 answer
  • A deer is considered a heterotroph because it
    11·2 answers
  • Which of the following is equivalent to 9.1 kilograms?
    11·2 answers
  • Distinguish between heterochromatin and euchromatin
    7·1 answer
  • ito ay tamang paggamit ng tamang bantas sa pagsulat ng isang suring pelikula upang maging epektibo ang pagsulat​
    10·1 answer
  • In order for natural selection to occur, organisms must (select all that apply) Check All That Apply have variation that can be
    9·1 answer
  • What is a company's obligation to contribute to the sustainability of natural resources?
    13·1 answer
  • 7. A man with blood type A marries a woman with blood type A. Their first child has blood type o
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!