Biology

Question 1

Label these parts of leaf? Upper epidermis, lower epidermis, spongy layer, palisade layer, air space, waxy cuticle, vacuole, chloroplast, stoma, guard cells, cell wall

Answer 1

See picture in notes page 4 plants

Question 2

What is evolution

Answer 2

The theory that life on Earth has developed from simple unicellular organisms to the complex variety of multicellular organisms seen today

Question 3

What is natural selection

Answer 3

Darwin’s suggested mechanism for Evolution: that individuals in a population vary with only
the best adapted to their environment surviving to reproduce and pass on their advantageous characteristics to their offspring

Question 4

What does extinct mean?

Answer 4

No individuals of the species are alive in the world today

Question 5

What does Endangered mean?

Answer 5

The numbers of individuals in a species are dangerously low and close to extinction

Question 6

What is biodiversity?

Answer 6

The enormous variety of living things on Earth

Question 7

What is conservation

Answer 7

Protecting the natural environment to prevent any further extinctions and enable all species to flourish

Question 8

What is the name of the test solution for protein

Answer 8

Biuret solution

Question 9

What is the name of the test solution for sugar

Answer 9

Benidect solution

Question 10

What is the name of the test solution for starch

Answer 10

Iodine solution