If mammals conserve energy with their hair or fur, then what kind of animals conserve energy with their hair or fur?  Answer choices: - fur  - bears  - mammals  - sweating  - frogs  - cactus  - goats  - humans
mammals

If when steel conducts heat, it expands, then when does steel expand?  Answer choices: - matter vibrating  - when it loses heat  - It gets heated up  - flow of electrons  - when it transfers heat away  - recovery time from fatigue  - when it conducts heat  - when it cools down
when it conducts heat

Q: If conserving water can be used for survival in deserts, then what can be used for survival in the desert?  Answer choices: - nutrients  - shade  - food and shelter  - salt and water.  - heat  - picnics  - Conserving water  - Chemical energy
A: Conserving water

Question: If dNA repairs cells, then what are needed to build cells?  Answer choices: - hormones  - food  - RNA  - isotopes  - fats  - clorophyll  - DNA  - p53
Answer: DNA

*Question*
If staying warm has a positive impact on an animal 's ability to be a carrier for life, then what has a positive impact on an animal 's ability to be a carrier for life?  Answer choices: - four limbs  - staying frosty  - staying isolated  - prolactin release  - staying warm  - staying mad  - coded genes  - organic molecules
**Answer**
staying warm

(Q).
If plants are multicellular eukaryotes with cell walls composed primarily of lignin, then plants are multicellular eukaryotes with cell walls composed primarily of what?  Answer choices: - protein  - plants  - leaves  - chemicals  - Energy.  - lignin  - eukaryotes  - Energy
(A).

lignin