Which features do club mosses and ferns share?
Ferns, club mosses, and horsetails share two characteristics: they have true vascular tissue: a system of tubelike structures inside a plant that water, minerals, and food move through.
How is sperm transport similar in ferns and mosses?
In what way is the transport of sperm similar in ferns and mosses? The transport of sperm is similar because sperm is transported through water as well.
Why are ferns and mosses important?
Mosses and ferns are economically important because they may be grown and sold as food for other organisms. Another importance of the two plants is that they provide shelter for other organisms such as small insects. Since they retain water and humidity in their habitats, mosses and ferns are ecologically important.
What is special about ferns?
Ferns are unique in land plants in having two separate living structures, so the ferny plant that we see out in the bush produces spores, and those spores, when they are released, don’t grow straight back into a new ferny plant. They grow into a little tiny plant that we call a gametophyte.
What are the types of interaction?
There are five types of interactions between different species as listed below:
- Competition & Predation.
- Commensalism.
- Parasitism.
- Mutualism.
- Amensalism.
What are the four types of interaction?
This review of the literature covers four types of interaction: learner – content, learner – learner, learner – instructor, and learner – interface.
What are the 5 types of social interaction?
Social interactions include a large number of behaviors, so many that in sociology, interaction is usually divided into five categories. These are: exchange, competition, cooperation, conflict and coercion.
What are the characteristics of social interaction?
Social interactions can also be characterized by their direction (solidary, antagonistic, mixed), intensity, extension, duration, or organization. All interactions manifest these characteristics to one degree or another and in various combinations.
What are the elements of social interaction?
Elements of Social Interaction: Role Theory & Conflict, Social Classes, Institutions and Networks
- Social Status.
- Role Theory.
- Role Conflict.
- Culture.
- Social Class.
- Groups.
- Social Institutions.
- Social Networks.