Practice B4.2 Ecological niches with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
A fossil skull shows large, flat molars and reduced canines. What can be inferred about its diet?
Which statement about archaea nutrition is correct?
Which comparison between oxygen requirements is correct?
Which of the following statements best distinguishes a species’ fundamental niche from its realized niche?
Which dental trait indicates a likely omnivorous diet in a hominid?
Which of the following organisms cannot survive in the presence of oxygen?
A planktonic protist that photosynthesizes during the day but engulfs bacteria at night is best described as a:
Based on this table, which organism is a facultative anaerobe?
| Organism Type | Growth in Presence of | Growth in Absence of |
|---|---|---|
| Organism A | Yes | No |
| Organism B | Yes | Yes |
| Organism C | No | Yes |
Which tissues shown in the cross section of the leaf below may contain chloroplasts?
Which of the following characterizes holozoic nutrition?
Practice B4.2 Ecological niches with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
A fossil skull shows large, flat molars and reduced canines. What can be inferred about its diet?
Which statement about archaea nutrition is correct?
Which comparison between oxygen requirements is correct?
Which of the following statements best distinguishes a species’ fundamental niche from its realized niche?
Which dental trait indicates a likely omnivorous diet in a hominid?
Which of the following organisms cannot survive in the presence of oxygen?
A planktonic protist that photosynthesizes during the day but engulfs bacteria at night is best described as a:
Based on this table, which organism is a facultative anaerobe?
| Organism Type | Growth in Presence of | Growth in Absence of |
|---|---|---|
| Organism A | Yes | No |
| Organism B | Yes | Yes |
| Organism C | No | Yes |
Which tissues shown in the cross section of the leaf below may contain chloroplasts?
Which of the following characterizes holozoic nutrition?