Question

20,983 Learners found this answer helpful

check for understanding: teens make a big microscopic discovery directions: use the article \teens make a big microscopic discovery\ to answer the questions below. which of the following best describes lichen? a a plant - like organism b a habitat for tardigrades c a colony of algae and fungi d something that grows on trees and rocks in the article, the author describes tardigrades as extremely tough. which of the following pieces of evidence best supports this claim? a tardigrades have dagger - like teeth and long claws. b tardigrades prefer to live in damp places. c tardigrades are very tiny invertebrates. d tardigrades can survive in environments like boiling hot springs. tardigrades produce a special molecule when they enter a dormant state. what is the purpose of this molecule? a to provide the tardigrades cells with nutrients b to repair damaged dna c to pad their tissues d to get rid of moisture why is mass experiment in denmark an example of a citizen science project? a because the data is collected by scientists and then studied using microscopes b because the samples are collected by volunteers and then sent to scientists c because the samples are gathered by scientists and then shared with schools d because the data that students gathered helped scientists study interesting dna what surprising discovery did scientists make when they studied the dna of the different tardigrades in collected samples? a all the tardigrades in each sample were the same species. b the tardigrades in all the samples were closely related. c none of the tardigrades had any dna in common. d some samples contained previously unknown tardigrade species.

Explanation:

1. Lichen is a symbiotic association of algae and fungi.
2. The ability to survive in boiling hot - springs shows the toughness of tardigrades.
3. Tardigrades produce a molecule to pad their tissues when dormant.
4. Citizen science projects involve non - scientists (volunteers) collecting samples for scientists.
5. Discovering previously unknown species in samples is a surprising finding.

Answer:

1. C. a colony of algae and fungi
2. D. Tardigrades can survive in environments like boiling hot springs.
3. C. to pad their tissues
4. B. because the samples are collected by volunteers and then sent to scientists
5. D. Some samples contained previously unknown tardigrade species.