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
alina1380 [7]
3 years ago
9

Help with this I meed to get it done today please

Biology
1 answer:
Nesterboy [21]3 years ago
4 0
#11.) Phacops. It lived in the late Devonian Period (~400 million years ago).

#12.) Carbon-14 is a good radioactive isotope for determing the age of artifacts from a burial site thought to be associated with the most recent early humans because it is present in all organic matter (which humans have, of course).

#13.) 3, Devonian.

#14.) From the Devonian Period through the Triassic Period.

#15.) Cenozoic.
You might be interested in
oxygen is needed to produce energy in eukaryotic cells. which organelle would you think needs oxygen the most?
marin [14]
The mitochondria because they are the energy-producers for cells
6 0
3 years ago
Read 2 more answers
What is an organism birth grow?
Phoenix [80]
<span>Every living organism begins life as a single cell. Unicellular organisms may stay as one cell but they grow too. Multicellular organisms add more and more cells to form more tissues and organs as they grow. </span>
4 0
3 years ago
The male and female pronuclei unite in a process that signifies the beginning of a new organism. What is this process called?
Alexandra [31]
C) External Fertilization

3 0
3 years ago
Penicillin is Choose one: A. produced by a mold and was discovered accidentally. B. a human-designed antibiotic, synthesized to
NeX [460]

Answer:

Option-A

Explanation:

Penicillin is an antibiotic drug that is derived from the fungal species of Penicillium molds especially the<em> Penicillium notatum</em>.  The penicillin acts by disrupting the formation of the cell wall and thus prevents the growth of the bacteria.

The discovery of penicillin was accidental when he was studying the petridish of staphylococcus and he found that due to avoidance while the experiment, molds grew in the petridish.  The area around the mold was clear and clear rings without the bacteria were easily observed. This lead to the discovery of the penicillin compound.

Thus, Option-A is the correct answer.

4 0
3 years ago
4. Read the following sentence from the section "Are All Enzymes Proteins?"
ololo11 [35]

Answer:

D

Explanation:

Pretty sure that's the correct answer.

6 0
3 years ago
Other questions:
  • What is melted rock and minerals found beneath earths crust called
    14·2 answers
  • How does the semipermeable membrane work?
    13·1 answer
  • A normal human karyotype has
    12·2 answers
  • 1. A genetic condition, due to a recessive allele (a), is deadly in homozygous individuals
    8·1 answer
  • Wich organism obtains its energy from dead or decaying matter
    8·1 answer
  • When assessing normal circulation in the extremities, you anticipate finding that
    9·1 answer
  • Human respiration is a chemical process that results in the release of energy. In this process, organic compounds transform into
    10·1 answer
  • Flatworms can be cut in half, creating two new individuals, by _____.
    5·2 answers
  • Which of the following statements about enzyme functions is true
    5·1 answer
  • ........ provides genetic continuity from generation to generation.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!