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What do mollusks and segmented worms have in common?
wat do all the worms have in common
Why do scientists think arthropods and segmented worms have a common ancestor?
Scientists found that both segmented worms and arthropods have a hollow space in their bodies to hold their organs. They both also have larvae stages early on in their life cycle.
What if your friend rod told you that both earthworms and centipeded are segmented worms is he right or wrong?
How reliable is Rod?
What worms have many segments?
Earthworms have many segments, typically ranging from 100 to 150 segments. These segments allow for flexibility and movement in the worm's body. Each segment contains muscles and nerve cells that help the earthworm perform its daily activities.
Why do scientists think arthropods and segmented worms have common ancestor?
Scientists think arthropods and segmented worms have a common ancestor because they share similar developmental patterns and genetic sequences. They both exhibit segmentation in their body structure, suggesting a shared evolutionary history. Additionally, molecular studies have shown similarities in their genetic makeup that indicate a close relationship.
How do segmented worms mate?
Segmented worms, such as earthworms, are hermaphrodites, meaning they have both male and female reproductive organs. During mating, two worms align their bodies and exchange sperm through a structure called the clitellum. Each worm then fertilizes the other's eggs, which are later deposited in cocoons for incubation.
Which characteristic is common to both segmented worms and flatworms?
The most common characteristics of segmented worms are that they have multiple segments which make them bilaterally symmetrical, each segment houses a set of organs, and the mouth is located in the first segment while the anus is located in the last segment. Segment worms are capable of living in many different types of environments, and as such, are rather adaptable to their surroundings.
What type of worm is a leech?
Both organisms are under the phylum of Annelids. Although, the leech is in a class of this phylum, both the worms and leeches are still related. For further study, look up Annelids
Are mushrooms harmful or helpful?
mushrooms are helpful because they break down dead organisms and are "clean-up" the environment.
Is tape worms segmented worms?
Yes. However, this is not a true coelom. Roundworms are pseudocoelomates -- their mesoderm lines the endoderm and ectoderm, but there is no connection between the two. Therefore, it does not satisfy the definition of a coelom. However, since there is a body cavity still, this animal is said to be a pseudocoelomate.
What are 2 other phyla members of a roundworm?
Two other phyla members of a roundworm are Nematoda and Nematomorpha. They are both non-segmented worms that belong to the superphylum Ecdysozoa along with roundworms (phylum Rotifera).
What do nematodes and arthropods have in common?
they both are segmented
