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
nekit [7.7K]
3 years ago
10

Give 3 characteristics of the FIVE phylum in chordata​

Biology
1 answer:
aleksley [76]3 years ago
6 0

Answer:

notochord, a dorsal hollow nerve cord and pharyngeal slits.

You might be interested in
Why are pesticides designed to kill insects more likely to harm lobsters and crabs than fish?
blsea [12.9K]
Because lobsters and crabs are higher in the food chain then pesticides
8 0
3 years ago
Both the freezing temperature and the melting temperature of water are the same O.C. Explain why a substance like water freezes
Galina-37 [17]
Because the melting/freezing point is the point at which the particles in a substance begin to go through the phase change
so for example at 0 degree's Celsius water starts to freeze, but at the same time also melts, its sorta like some of the particles are freezing while the others are melting at the same time, but if you go above 0 degrees then it melts, and if you go below it freezes 
8 0
2 years ago
(a) In human populations where HIV infection is common, are the frequencies of these "resistance genes" increasing, decreasing,
Misha Larkins [42]

Answer:

Increasing

Explanation:

This particular question or problem can be likened to a deductive reasoning. The viral disease known as HIV stand for Human Immunodeficiency Virus which is a disease that damages the immune system of anyone affected with the disease. The Human Immunodeficiency Virus goes through four main stages or steps that is to say the infection stage/step, the stages in which the symptoms does not show, the stages at which the symptoms start to show and the stage at which the Human Immunodeficiency Virus goes or turns to AIDS.

The frequencies of these "resistance genes" In human populations where HIV infection is common will increase. When Human Immunodeficiency Virus infection is common, people in  that particular society will develop more resistance to the virus and the survival of the fittest is taken into account as people with more resistance tends to be more healthier than the ones with less resistance.

6 0
2 years ago
Help with question 2. A B & C. the gizmo is Cell Types
Mariulka [41]

A.  Fine Focus.

B.  Nucleus, Cytoplasm, and membrane

C. 30 Micrometer.

Erythrocytes are well known to have no nucleus but in fact, they lack most organelles such as the Golgi apparatus endoplasmic reticulum and mitochondria. Hair consists of two parts the root and the hair shaft. The root is the part of the living hair located in the middle layer of the skin the dermis.

Epidermal root cells in some plants produce root hairs and tubular growths that increase the surface area of ​​the root. Unlike other cells in the body, red blood cells do not have a nucleus. This habit dates back to when mammals began to evolve. Other vertebrates such as fish reptiles, and birds have erythrocytes that contain dormant nuclei. To allow red blood cells to carry an increased load of oxygen cells evolved to function without a nucleus and other associated organelles.

Learn more about Cell Types here:-brainly.com/question/342784

#SPJ1

6 0
9 months ago
A current federal program from the New Deal that is directly related to the banking industry is the
masha68 [24]
The answer is FDIC (Federal Deposit Insurance Company)

The current federal program from the New deal that is directly related to the banking industry is the FDIC. This program examines and supervises financial institutions on some factors such as safety and soundness. It promotes and preserves public confidence in the State's financial system.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which substances my pass through the cell membrane by simple diffusion?
    13·1 answer
  • What are some plants in the parasitism relationship
    11·1 answer
  • Fungal hyphae that create essentially one giant cell containing many nuclei would be described as what? Coenocytic, cyclosporic,
    15·2 answers
  • 1. In an ecosystem with four levels—producers, primary consumers, and two higher-level consumers—describe where the decomposers
    8·2 answers
  • Which of the following adaptations enables deciduous trees to produce more food?
    14·2 answers
  • In this lab, you used a dichotomous key to identify organisms. Why would this skill be valuable to you? Check all possible reaso
    14·1 answer
  • Why does the rate of photosynthesis slow down towards night time ​
    13·2 answers
  • What cell type is the last stage of erythrocyte production prior to development of a mature erythrocyte
    6·1 answer
  • In 3–5 sentences, construct a summary of the process of gene expression, starting with DNA and ending with proteins.
    14·1 answer
  • Ibuprofen is a drug commonly used to relve inflammation and pain, it is a mixture of two enatiomes whicha re moldules that:_____
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!