They are described as polyphyletic, meaning that not all members of the group share the same common ancestor. By the modern definition, all algae are eukaryotes, which means that the DNA in their cells is contained within a nucleus enclosed by a membrane. Organisms whose cells do not have a...
The gametophyte isthe sexual phase in the life cycle of plants and algae. It develops sex organs that produce gametes, haploid sex cells that participate in fertilization to form a diploid zygote which has a double set of chromosomes. What Syngamy means? :sexual reproduction by union of gametes...
Organisms that live on thebottom are benthic. Let's start with the algaes. Macroalgae which you know as seaweed is a Protist just like the microscopic algae in the phytoplankton. ... Instead, seaweeds have holdfasts which serve no other function than to glue the seaweed into place. Is a ...
What are the benefits of red algae supplements? Red algae supplements can have many different benefits. One benefit is that red algae has an antioxidant effect, meaning that it can boost your immune system and also help prevent viral diseases. Red algae is also high in vitamins and minerals, ...
The peak offers literature fans an added thrill, as writer Jack Kerouac spent a summer inside the fire tower at the top while serving as a fire lookout. Summer is the best time to visit the park since snow closes down many of the access roads from October through June. #59. Lake Clark...
Now it’s come to this:60 years of marriage ! 1.The underlined word “trace ”in Paragraph 1 probably means “___” A.cover B.cross C.raise D.move 2.According to the passage,we know the girl’S dad was a A.coach B.student C.cheerleader D.photographer 3.We can learn from the ...
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refers to the use of renewable energy resources and sustainable agriculture or forestry practices. It also entails the use of sustainable mineral use along with many other things. The idea is to create a system that is "sustainable", meaning one that can keep going indefinitely into the future...
The gametophyte is a stage in the plants life cycle that undergoes alternation of generations.The primary job of gametophyte is Gamete production.
Sea ice hit record-low extents in both the fall and winter of 2015 and 2016, meaning that at the time when the ice is supposed to be at its peak, it was lagging. The melt means there is less thick sea ice that persists for multiple years. That means less heat is reflected back ...