answer.
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
Lubov Fominskaja
1 month ago
14

The first invertebrates to develop a true nervous system are

Biology
1 answer:
enyata [2.5K]1 month ago
3 0

Answer:

Coelenterates are regarded as the first invertebrates to acquire a true nervous system.

Explanation:

You might be interested in
The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a
lana [2441]
Une cellule végétale qui apporte un soutien sans entraver la croissance, souvent reconnue sous le terme de "fibres dans le céleri", est appelée une cellule collenchyme.
7 0
2 months ago
What is the difference between lycopodium and equisetum
s2008m [2378]

Lycopodium is part of a group of plants known as fern allies. They are primarily non-flowering plants characterized by their extensively branched structure, featuring small and simple, needle-like leaves that densely cover the branches and stem. In contrast, Equisetum, commonly referred to as horsetail or snake grass, resembles a horse's tail and is the sole surviving genus within the Equisetaceae family, known for vascular plants that reproduce using spores instead of seeds.

6 0
2 months ago
You visit a huge city with millions of people. If you were to start sampling the cystic fibrosis allele from one generation to t
lana [2441]

Answer:

The frequency will remain constant.

Explanation:

According to the primary symptoms linked to cystic fibrosis, this condition predominantly presents itself in adults and the elderly. This characteristic indicates that the prevalence of the disease will neither diminish nor increase, as these individuals continue to reproduce, thereby sustaining the allele's frequency across generations.

6 0
2 months ago
A woman was chopping vegetables when she accidentally cut her finger. A few days later, she observed a brownish layer on the wou
vlada-n [2515]

Answer:

This is the sequence

Explanation:

Initially, blood vessels expand to direct blood flow towards the injured site.

Subsequently, platelets gather to halt the bleeding.

Fibroblasts then produce collagen to aid in healing the wound.

Neutrophils eliminate any bacteria present.

Next, macrophages clear away damaged tissues.

Finally, the wound undergoes closure.

5 0
1 month ago
Energy is an essential part of our daily lives, but the resources that power the Earth are being threatened. Imagine a world whe
Rainbow [2354]

Answer:

Producing energy without creating greenhouse gas emissions from fossil fuels and alleviating certain types of air pollution. It is vital to diversify energy sources and lessen reliance on imported fuels. Additionally, it fosters economic growth and provides employment in sectors such as manufacturing and installation. Without knowledge of how to generate energy, all these benefits would be unattainable, making human survival increasingly challenging.

7 0
1 month ago
Other questions:
  • 20. Explain how health care professionals treat unregulated (or abnormal) cellular growth in the body
    9·1 answer
  • Marge is an ace at tennis. She does not miss a ball! She has great balance and coordination. The part of Marge’s brain that help
    5·2 answers
  • In the experiment, you will determine whether having worms in the soil causes lima bean plants to grow more, less, or the same.
    11·2 answers
  • Seth will attend college in the fall and live in the dormitory, so he is required to obtain a blank against bacterial meningitis
    10·1 answer
  • In the first 2.5 hours after a radical neck dissection, 40 ml of medium-red, bloody fluid is obtained from the client's drainage
    11·1 answer
  • Like blood lymph flows both to and from the heart. <br> a. True <br> b. False
    10·1 answer
  • Compare and contrast polysaccharides and nucleic acids in terms of monomer diversity and how the monomers are joined together. D
    13·2 answers
  • The somatic and autonomic nervous systems differ in all of the following EXCEPT ________. The somatic and autonomic nervous syst
    12·1 answer
  • Explosions can occur when electricity ignites explosive gases in the air, such as pure oxygen, methane, or natural gas. true or
    6·2 answers
  • In fruit flies, red eyes (pr+_) are dominant to purple eyes (prpr) and normal wings (vg+_) are dominant to vestigial wings (vgvg
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!