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
HACTEHA [7]
3 years ago
8

Zoe forgets to wash her hands before handling some samples in Petri dishes, and as a result, some of the samples become contamin

ated. What is a likely source of error in this experiment
Biology
1 answer:
Degger [83]3 years ago
4 0
The germs from her hands mixed with those in the petri dishes and some were contaminated 
You might be interested in
Impaired and delayed healing in a person with diabetes is caused by chronic complications that include:
juin [17]
Chronic neuropathies
3 0
3 years ago
Scientists often classify organisms into two
BigorU [14]

Answer:

b

Explanation:

this is because Invasive species are frequently generalists in terms of food, or habitat needs, have fewer predators in their introduced environments and are better able to exploit disturbances than their native competitors.

7 0
2 years ago
the site of atapuerca in northern spain is one of the most important fossil hominin sites in europe. identify what the following
Temka [501]

There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:

  • The Skull is known to show Interbreeding that took place with neandertals and their relatively healthy population.

  • The Fragment shows that there was a possibility of cannibalism in that area.

It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.

The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health.

The interbreeding with the Neandertals was shown through the Nuclear DNA that was gotten from bones and teeth of bones found at Sima de los Huesos

learn more from

brainly.com/question/14012174

7 0
3 years ago
If a molecule has one side more negative and one side more positive it is said to have a dipole and be polar. Which molecule has
Korolek [52]
C I think because it’s just chlorine
6 0
3 years ago
14. Describe the difference between the three macroinvertebrate categories and
tankabanditka [31]

Answer:

Invertebrates are the organisms in which backbone or vertebral column is absent.

The three macroinvertebrate categories are annelids, mollusks and arthropods.

Annelids are the organisms having segmented body. They are found in moist places. Examples are leeches and earth worms.

Mollusks are the organisms which are enclosed in a calcium carbonate shell. Examples are snails and slugs.

arthropods are the invertebrates which have segmented body and jointed appendages. Examples are insects and crustaceans etc.

7 0
3 years ago
Other questions:
  • I am useful for a fast source of energy.
    10·1 answer
  • What part of the Respiratory System works as a gate keeper to prevent water and food from going down the trachea?
    7·1 answer
  • Which energy source would provide the cheapest electricity for a factory
    5·2 answers
  • Stomatas are pores on the plant leaf that control the flow of gases between the environment and the plant cells. This process he
    10·1 answer
  • The two main sources of genetic variation are shuffling and
    13·1 answer
  • How does a person know where their body parts are located, (nose, mouth, etc.) without looking? Such as eating popcorn without t
    10·1 answer
  • which of the following statements correctly describes a difference between plant cells and animal cells?
    12·1 answer
  • Living systems follow the law of conservation of mass. Which of the following statements does NOT summarize a key idea of this l
    11·1 answer
  • In an ecosystem, which list of organisms is in the correct order from producer to top-level consumer? (20 points)
    15·2 answers
  • Explain the metamorphosis process in 10 words or less.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!