answersLogoWhite

0

1. the most significant development in earthworms probably is the appearance of the anus.

2. earthworms' nerve cords are also significantly developed.

3. the last one is the development of coelom, which is a new body cavity for organs like heart, lungs, etc..

User Avatar

Wiki User

16y ago

What else can I help you with?

Continue Learning about Zoology

What are the three types of anatomy?

The three types of anatomy are gross anatomy, microscopic anatomy, and developmental anatomy. Gross anatomy involves the study of structures visible to the naked eye, while microscopic anatomy focuses on structures at the cellular and tissue levels, often examined using a microscope. Developmental anatomy explores the changes in anatomical structures throughout the lifespan, including embryonic development and aging processes.


What are the 3 major parts of biology?

The three major categories of biology, which are categorized by the organisms being examined, are: * Botany: The study of plants * Zoology: The study of animals * Microbiology: The study of microorganisms


What are the three criteria used by scientists to classify an animal into one of the major phylum?

Scientists classify animals into major phyla based on three main criteria: body symmetry, which can be radial or bilateral; the number of tissue layers during embryonic development, distinguishing between animals with two (diploblastic) or three (triploblastic) layers; and the presence or absence of a body cavity, categorized as acoelomate, pseudocoelomate, or coelomate. These criteria help to categorize the vast diversity of animal life into systematic groups.


What are the three major convection cells in the atmosphere and where are they located?

The three major convection cells in the atmosphere are the Hadley cell, Ferrel cell, and Polar cell. The Hadley cell is near the equator, the Ferrel cell is mid-latitude, and the Polar cell is near the poles. These cells are responsible for redistributing heat and moisture around the globe.


What animal have 5 heart?

Earthworm has five hearts= Earthworm hearts in action click on the link below = http://academic.scranton.edu/faculty/can... Colored diagrams on the link below = click onit = http://cache.eb.com/eb/image?id=72114&re... http://www.nrwmg.vic.gov.au/images/ana1....

Related Questions

One of the three major concerns of developmental psychology centers around the issue of what?

One of the three major concerns of developmental psychology centers around the issue of continuity or stages. Developmental psychology is the study of the development and changes during a person's life.


Give three examples of round worms?

Earthworm


How many layers does an earthworm have?

One wold not describe the anatomy of an Earthworm in terms of "layers". For this reason we do not understand what you are asking.


Would a earthworm eat a 3 leaf clover?

An earthworm could only eat a somewhat decomposed three leaf clover having remnants imbedded in the soil through which the earthworm burrows.


What are three examples from the phylum annelida?

The three examples of phylum annelida are earthworm,leech and whatever............


What Three dangers that earthworm face?

hot temp, humans, mutations


What are three digestive organisms the earthworm the are found in the human body?

heart,esophagus,pharynx


Where is the heart in the earthworm?

precisly in the middle, the heart looks like three black sections from the outside. therefore three chambered


What are the three domains in developmental psychology?

The three domains in developmental psychology are physical development (related to changes in the body and motor skills), cognitive development (related to changes in thinking, learning, and memory), and psychosocial development (related to changes in emotions, social relationships, and personality).


What are the three major regions of the brain?

motor functioning, sesnory region, vision and hearing


How do you describe advancements in three words?

Really frinkin awsome.


What predators feed on earthworms?

The three animals that feed on worms are birds, lizards, and frogs.