IB Biology B4.2 Pub Quiz: Ecological niches

What it covers

IB Biology at SL, with HL cards when you switch the level: B4.2 Ecological niches.

The running order

nine rounds and a handout of riddles. Review rounds are drawn from this topic each time you open the quiz, so two classes never get the same paper, and every review round can be redrawn in a click.

1. Riddle me this review
   Course terms as riddles: "I have a head that loves water and two tails that hate it…" Teams write what it is.
2. Close-up fun
   A tiny zoomed-in patch. What's the full picture?
3. Fact or fiction fun
   Myths and true-but-weird facts. Teams write Fact or Fiction.
4. Think it through review
   Scenarios, odd ones out, true or false and why, puzzles: questions to reason through. Give teams a little longer.
5. Films in science-speak fun
   A film plot, described like a research abstract. Name the film.
6. Who am I? Scientists fun
   Three clues, hardest first. 3 points after clue 1, 2 after clue 2, 1 after clue 3.
7. Missing vowels: course terms review
   Your key terms with the vowels taken out.
8. Funny animal noises fun
   YouTube clips of animals making ridiculous noises. Screen off, listen, guess, then watch the reveal.
9. Closest wins fun
   Estimation questions. Nearest team wins the point. Doubles as the tiebreaker.

A taste of the questions

Think it through

Scenarios, odd ones out and true or false and why, from IB Biology.

1. Clostridium botulinum can grow in a badly sealed can of food but not on food left open to the air. What kind of organism is it?
2. Yeast makes bread dough rise whether or not oxygen is present. Is it an obligate aerobe, an obligate anaerobe or a facultative anaerobe?
3. A pond has no plants at all, yet its oxygen level rises on sunny days. What could be producing the oxygen?
4. A python swallows an antelope whole. Put these in order: absorption, assimilation, digestion, ingestion.
5. In sunlight I make my own food; in the dark I soak it up from the pond. I'm Euglena. What kind of feeder am I?
6. Mushroom, earthworm, lion, python: which is the odd one out, and why?

Riddle me this

Course terms as riddles. Teams write what it is.

1. I'm not where you live but what you do there: what you eat, what eats you and what you can put up with. What am I?
2. Oxygen poisons me, so I thrive in sealed cans and deep wounds. What am I?
3. I swallow food, digest it inside, absorb it and build it into myself, the way every animal feeds. What am I?
4. In daylight I make my own food; in the dark I catch it or absorb it. What am I?
5. I digest my dinner outside my body, pouring enzymes onto dead things and soaking up the soup. What am I?

Quickfire

Short recall from the same topics.

1. Role of a species in its ecosystem
2. Cannot survive where oxygen is present
3. Respires with or without oxygen