subject
Biology, 29.11.2021 14:00 eggoysters

HELP PLZ WILL MARK BRAINLIST!!
(EARTH SCIENCE)

1. Which of the following factors made the land a place where the first land plants could thrive? Select the two correct answers.(1 point)

A) abundant sunlight for photosynthesis

B) evolution of animals

C) low levels of oxygen in the atmosphere

D) new, nutrient-rich soil made of cyanobacteria and deteriorating rock

2. Select the 2 correct statements that describe cyanobacteria.(1 point)

A) Cyanobacteria were the first photosynthesizing organisms

B) Cyanobacteria decreased the levels of oxygen in the atmosphere

C) Cyanobacteria have complex cells containing a nucleus

D) Cyanobacteria lived in the ocean

3. Select the correct answer from the list.(1 point)

Increased levels of oxygen in the atmosphere due to photosynthesis caused rates of weathering to ((remain constant, decrease, increase)) which aided in the formation of ((soil, roots, chloroplasts))

ansver
Answers: 2

Other questions on the subject: Biology

image
Biology, 22.06.2019 05:20, orieo
When plants use sunlight to make food, the energy of sunlight is
Answers: 1
image
Biology, 22.06.2019 20:30, ctdavis
By going through the process of cellular respiration the cell can gain molecules of atp.
Answers: 2
image
Biology, 23.06.2019 00:00, lilybear1700
Slab pull is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere, causing
Answers: 1
image
Biology, 23.06.2019 03:00, adrianVocke3705
15. what can be inferred from the fact that there is little diversity in the form of mc1r gene found among individuals from equatorial africa?
Answers: 1
You know the right answer?
HELP PLZ WILL MARK BRAINLIST!!
(EARTH SCIENCE)

1. Which of the following factors...

Questions in other subjects:

Konu
Chemistry, 28.01.2020 11:31