Questions tagged 'Biology'
121 questions
Part d true or false?
"Biologists investigated the impact of forest fragmentation by comparing the amount of plant biomass found at the edges of forest fragments to that in the interiors of unfragmented forests. Is this st...
G How do cytochromes donate and accept electrons?
How do cytochromes donate and accept electrons? Please provide a detailed explanation of the mechanisms involved in electron transfer, including the role of heme groups and the significance of these p...
biology homework help please?
Which components of the life cycle are unique to mosses and ferns? Specifically, I am interested in understanding the roles of sporophytes, pine cones, pollen grains, and flagellated sperm in this con...
Nov 25, 2024
According to the cladogram, which organisms have roundworms as a common ancestor?
According to the cladogram, which of the following organisms share a common ancestor with roundworms? 1. Mollusks and flatworms 2. Sponges and chordates 3. Flatworms, sponges, and cnidarians 4. Mollus...
Nov 22, 2024
An animal that has body parts that are arranged around a central point has: (1 point) bilateral symmetry. radial symmetry. asymmetry.
An animal with body parts arranged around a central point demonstrates which type of symmetry? Please choose the correct option: 1. Bilateral symmetry 2. Radial symmetry 3. Asymmetry Additionally,...
Which of the following characteristics is associated only with an endoskeleton?
Which of the following characteristics is uniquely associated with an endoskeleton? a. It provides protection from predators. b. It enables an animal to walk. c. It consists of fluids held within a ca...
Nov 20, 2024
Select the correct statement(s) describing nematodes. select all that apply.
Select the correct statement(s) that accurately describe nematodes. Choose all that apply: a. All nematodes live in soil. b. Nematodes lack a circulatory system and circular body wall muscles. c. Some...
An organism with a cell wall would have the most difficulty doing which process?
An organism with a cell wall would likely face the greatest difficulty in performing which of the following processes? A) Phagocytosis B) Exocytosis C) Osmosis D) Active Transport E) Diffusion My te...
Nov 15, 2024
Stem cell essay…10points!?
I am tasked with writing an essay on stem cells and would appreciate some ideas to help me get started. What are some key topics or themes I should consider exploring in my essay? Thank you!