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
vovangra [49]
3 years ago
6

Which of the following is marked by the appearance of organisms with hard parts?

Biology
1 answer:
My name is Ann [436]3 years ago
8 0

Answer:

a

Explanation:

bace i have done thos test

You might be interested in
racoons are opportunistic feeders and will eat just about anything they can find. they will catch and eat invertebrates such as
Anna007 [38]

Answer:

Explanation:

Based on their feeding habits, we will regard the raccoons as omnivores. Omnivores are organisms that possess the ability to feed and survive on both plant and animal matter.

These raccoons eat invertebrates etc which are animal matter and then different fruits and vegetables etc; plant matter.

Thus, they can be regardless as being an omnivore.

6 0
3 years ago
3. A house has several systems, such as the electrical system, plumbing system, and
lapo4ka [179]
Answer: The systems regulate the house, the same way our body system helps regulate our body. If it wasn’t for the electrical system, plumbing system, heating, and cooling system the house wouldn’t be regulated or able to live in. Just like if our bodies isn’t being regulated, we can't live.

I hope this could help you! ^^
3 0
3 years ago
What is the order of steps of protein synthesis
Paha777 [63]

Answer:

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes the steps of initiation, elongation, and termination.

Explanation:

hope this helps

7 0
3 years ago
Que es la biogenesis
ira [324]

La biogénesis es el proceso fundamental de los seres vivos que producen otros seres vivos. Ejemplo: una araña pone huevos de los que saldrán más arañas. La biogénesis es aquel principio según el cual la vida solamente se origina de una vida preexistente (que ha existido antes).

3 0
3 years ago
Describe the microscopic features of osseous tissue that help long bones withstand stress without breaking.
frozen [14]
Compression and stretching are actually caused by the stress on the both.
Compression happens on the side of impact and Stretching happens ont he side opposite to that of the impact.
5 0
3 years ago
Other questions:
  • Which of the following are ways that humans increase the amount of greenhouse gases in the atmosphere
    15·1 answer
  • Micropipettes and gene guns are mechanical vectors that introduce recombinant DNA directly into the cell’s
    10·2 answers
  • Scientists today are studying tidal power as an alternative energy source for generating electricity. Some scientists conclude t
    9·1 answer
  • Which of the following statements about bird respiration is FALSE?
    15·1 answer
  • How are the concepts of spontaneous generation, biogenesis, and the cell theory related?
    10·1 answer
  • If an organisim has 32 chromosomes in its skin cells, how many chromosomes will be in its gamtes following meiosis?
    9·1 answer
  • The structures of the dermal and vascular systems work together to transport and provide materials essential for photosynthesis.
    5·1 answer
  • Which of the following best explains how the characteristics of index fossils are useful to geologists?
    8·1 answer
  • Someone please help!
    15·2 answers
  • Which of the following best describes a suspension?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!